diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt
index 35e17f748ca7..af5859b2d0f9 100644
--- a/Documentation/sysctl/fs.txt
+++ b/Documentation/sysctl/fs.txt
@@ -34,7 +34,9 @@ Currently, these files are in /proc/sys/fs:
 - overflowgid
 - pipe-user-pages-hard
 - pipe-user-pages-soft
+- protected_fifos
 - protected_hardlinks
+- protected_regular
 - protected_symlinks
 - suid_dumpable
 - super-max
@@ -182,6 +184,24 @@ applied.
 
 ==============================================================
 
+protected_fifos:
+
+The intent of this protection is to avoid unintentional writes to
+an attacker-controlled FIFO, where a program expected to create a regular
+file.
+
+When set to "0", writing to FIFOs is unrestricted.
+
+When set to "1" don't allow O_CREAT open on FIFOs that we don't own
+in world writable sticky directories, unless they are owned by the
+owner of the directory.
+
+When set to "2" it also applies to group writable sticky directories.
+
+This protection is based on the restrictions in Openwall.
+
+==============================================================
+
 protected_hardlinks:
 
 A long-standing class of security issues is the hardlink-based
@@ -202,6 +222,22 @@ This protection is based on the restrictions in Openwall 
and grsecurity.
 
 ==============================================================
 
+protected_regular:
+
+This protection is similar to protected_fifos, but it
+avoids writes to an attacker-controlled regular file, where a program
+expected to create one.
+
+When set to "0", writing to regular files is unrestricted.
+
+When set to "1" don't allow O_CREAT open on regular files that we
+don't own in world writable sticky directories, unless they are
+owned by the owner of the directory.
+
+When set to "2" it also applies to group writable sticky directories.
+
+==============================================================
+
 protected_symlinks:
 
 A long-standing class of security issues is the symlink-based
diff --git a/MAINTAINERS b/MAINTAINERS
index ab65bbecb159..f4d4a5544dc1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10135,6 +10135,7 @@ F:      arch/alpha/kernel/srm_env.c
 
 STABLE BRANCH
 M:     Greg Kroah-Hartman <gre...@linuxfoundation.org>
+M:     Sasha Levin <sas...@kernel.org>
 L:     sta...@vger.kernel.org
 S:     Supported
 F:     Documentation/stable_kernel_rules.txt
diff --git a/Makefile b/Makefile
index 441a760dc5a4..64521458d35e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 165
+SUBLEVEL = 166
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index c10bb98144b0..fb4ac87fc398 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -10,7 +10,7 @@
 #
 # Copyright (C) 1995-2001 by Russell King
 
-LDFLAGS_vmlinux        :=-p --no-undefined -X
+LDFLAGS_vmlinux        :=--no-undefined -X
 CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
 OBJCOPYFLAGS   :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
 GZFLAGS                :=-9
diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h
index 2e0e67ef3544..e8cedf32345a 100644
--- a/arch/powerpc/kvm/trace.h
+++ b/arch/powerpc/kvm/trace.h
@@ -5,8 +5,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
-#define TRACE_INCLUDE_PATH .
-#define TRACE_INCLUDE_FILE trace
 
 /*
  * Tracepoint for guest mode entry.
@@ -119,4 +117,10 @@ TRACE_EVENT(kvm_check_requests,
 #endif /* _TRACE_KVM_H */
 
 /* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace
+
 #include <trace/define_trace.h>
diff --git a/arch/powerpc/kvm/trace_booke.h b/arch/powerpc/kvm/trace_booke.h
index 7ec534d1db9f..7eadbf449a1f 100644
--- a/arch/powerpc/kvm/trace_booke.h
+++ b/arch/powerpc/kvm/trace_booke.h
@@ -5,8 +5,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm_booke
-#define TRACE_INCLUDE_PATH .
-#define TRACE_INCLUDE_FILE trace_booke
 
 #define kvm_trace_symbol_exit \
        {0, "CRITICAL"}, \
@@ -217,4 +215,11 @@ TRACE_EVENT(kvm_booke_queue_irqprio,
 #endif
 
 /* This part must be outside protection */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace_booke
+
 #include <trace/define_trace.h>
diff --git a/arch/powerpc/kvm/trace_hv.h b/arch/powerpc/kvm/trace_hv.h
index 33d9daff5783..d1bfe017d751 100644
--- a/arch/powerpc/kvm/trace_hv.h
+++ b/arch/powerpc/kvm/trace_hv.h
@@ -8,8 +8,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm_hv
-#define TRACE_INCLUDE_PATH .
-#define TRACE_INCLUDE_FILE trace_hv
 
 #define kvm_trace_symbol_hcall \
        {H_REMOVE,                      "H_REMOVE"}, \
@@ -474,4 +472,11 @@ TRACE_EVENT(kvmppc_run_vcpu_exit,
 #endif /* _TRACE_KVM_HV_H */
 
 /* This part must be outside protection */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace_hv
+
 #include <trace/define_trace.h>
diff --git a/arch/powerpc/kvm/trace_pr.h b/arch/powerpc/kvm/trace_pr.h
index 810507cb688a..1e40aa2aa5af 100644
--- a/arch/powerpc/kvm/trace_pr.h
+++ b/arch/powerpc/kvm/trace_pr.h
@@ -7,8 +7,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm_pr
-#define TRACE_INCLUDE_PATH .
-#define TRACE_INCLUDE_FILE trace_pr
 
 TRACE_EVENT(kvm_book3s_reenter,
        TP_PROTO(int r, struct kvm_vcpu *vcpu),
@@ -271,4 +269,11 @@ TRACE_EVENT(kvm_unmap_hva,
 #endif /* _TRACE_KVM_H */
 
 /* This part must be outside protection */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace_pr
+
 #include <trace/define_trace.h>
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 3c4faa4c2742..bb3df222ae71 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1319,7 +1319,7 @@ static long vphn_get_associativity(unsigned long cpu,
 
        switch (rc) {
        case H_FUNCTION:
-               printk(KERN_INFO
+               printk_once(KERN_INFO
                        "VPHN is not supported. Disabling polling...\n");
                stop_topology_update();
                break;
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 05ae254f84cf..1866b6a5171a 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -637,6 +637,8 @@ void gmap_discard(struct gmap *gmap, unsigned long from, 
unsigned long to)
                vmaddr |= gaddr & ~PMD_MASK;
                /* Find vma in the parent mm */
                vma = find_vma(gmap->mm, vmaddr);
+               if (!vma)
+                       continue;
                size = min(to - gaddr, PMD_SIZE - (gaddr & ~PMD_MASK));
                zap_page_range(vma, vmaddr, size, NULL);
        }
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 8be48b1d7596..375ed605c83d 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -856,7 +856,7 @@ ENTRY(\sym)
 
        call    \do_sym
 
-       jmp     error_exit                      /* %ebx: no swapgs flag */
+       jmp     error_exit
        .endif
 END(\sym)
 .endm
@@ -1118,7 +1118,6 @@ END(paranoid_exit)
 
 /*
  * Save all registers in pt_regs, and switch gs if needed.
- * Return: EBX=0: came from user mode; EBX=1: otherwise
  */
 ENTRY(error_entry)
        cld
@@ -1131,7 +1130,6 @@ ENTRY(error_entry)
         * the kernel CR3 here.
         */
        SWITCH_KERNEL_CR3
-       xorl    %ebx, %ebx
        testb   $3, CS+8(%rsp)
        jz      .Lerror_kernelspace
 
@@ -1165,7 +1163,6 @@ ENTRY(error_entry)
         * for these here too.
         */
 .Lerror_kernelspace:
-       incl    %ebx
        leaq    native_irq_return_iret(%rip), %rcx
        cmpq    %rcx, RIP+8(%rsp)
        je      .Lerror_bad_iret
@@ -1196,28 +1193,19 @@ ENTRY(error_entry)
 
        /*
         * Pretend that the exception came from user mode: set up pt_regs
-        * as if we faulted immediately after IRET and clear EBX so that
-        * error_exit knows that we will be returning to user mode.
+        * as if we faulted immediately after IRET.
         */
        mov     %rsp, %rdi
        call    fixup_bad_iret
        mov     %rax, %rsp
-       decl    %ebx
        jmp     .Lerror_entry_from_usermode_after_swapgs
 END(error_entry)
 
-
-/*
- * On entry, EBS is a "return to kernel mode" flag:
- *   1: already in kernel mode, don't need SWAPGS
- *   0: user gsbase is loaded, we need SWAPGS and standard preparation for 
return to usermode
- */
 ENTRY(error_exit)
-       movl    %ebx, %eax
        DISABLE_INTERRUPTS(CLBR_NONE)
        TRACE_IRQS_OFF
-       testl   %eax, %eax
-       jnz     retint_kernel
+       testb   $3, CS(%rsp)
+       jz      retint_kernel
        jmp     retint_user
 END(error_exit)
 
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index ef1fa8145419..fa86946d12aa 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -130,8 +130,13 @@ static int imx6q_set_target(struct cpufreq_policy *policy, 
unsigned int index)
        /* Ensure the arm clock divider is what we expect */
        ret = clk_set_rate(arm_clk, new_freq * 1000);
        if (ret) {
+               int ret1;
+
                dev_err(cpu_dev, "failed to set clock rate: %d\n", ret);
-               regulator_set_voltage_tol(arm_reg, volt_old, 0);
+               ret1 = regulator_set_voltage_tol(arm_reg, volt_old, 0);
+               if (ret1)
+                       dev_warn(cpu_dev,
+                                "failed to restore vddarm voltage: %d\n", 
ret1);
                return ret;
        }
 
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index 9a32d9dfdd26..011700262824 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -60,8 +60,29 @@ static const struct pci_device_id pciidlist[] = {
 
 MODULE_DEVICE_TABLE(pci, pciidlist);
 
+static void ast_kick_out_firmware_fb(struct pci_dev *pdev)
+{
+       struct apertures_struct *ap;
+       bool primary = false;
+
+       ap = alloc_apertures(1);
+       if (!ap)
+               return;
+
+       ap->ranges[0].base = pci_resource_start(pdev, 0);
+       ap->ranges[0].size = pci_resource_len(pdev, 0);
+
+#ifdef CONFIG_X86
+       primary = pdev->resource[PCI_ROM_RESOURCE].flags & 
IORESOURCE_ROM_SHADOW;
+#endif
+       remove_conflicting_framebuffers(ap, "astdrmfb", primary);
+       kfree(ap);
+}
+
 static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
+       ast_kick_out_firmware_fb(pdev);
+
        return drm_get_pci_dev(pdev, ent, &driver);
 }
 
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 69d19f3304a5..21085f669e21 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -552,6 +552,7 @@ static int ast_crtc_do_set_base(struct drm_crtc *crtc,
        }
        ast_bo_unreserve(bo);
 
+       ast_set_offset_reg(crtc);
        ast_set_start_address_crt1(crtc, (u32)gpu_addr);
 
        return 0;
@@ -1249,7 +1250,7 @@ static int ast_cursor_move(struct drm_crtc *crtc,
        ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07));
 
        /* dummy write to fire HWC */
-       ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xCB, 0xFF, 0x00);
+       ast_show_cursor(crtc);
 
        return 0;
 }
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 3258baf3282e..2e52015634f9 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -76,18 +76,23 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/input.h>
+#include <linux/rcupdate.h>
 #include <linux/slab.h>
 #include <linux/stat.h>
 #include <linux/module.h>
 #include <linux/usb/input.h>
+#include <linux/usb/quirks.h>
 
 #define DRIVER_AUTHOR "Marko Friedemann <m...@bmx-chemnitz.de>"
 #define DRIVER_DESC "X-Box pad driver"
 
-#define XPAD_PKT_LEN 32
+#define XPAD_PKT_LEN 64
 
-/* xbox d-pads should map to buttons, as is required for DDR pads
-   but we map them to axes when possible to simplify things */
+/*
+ * xbox d-pads should map to buttons, as is required for DDR pads
+ * but we map them to axes when possible to simplify things
+ */
 #define MAP_DPAD_TO_BUTTONS            (1 << 0)
 #define MAP_TRIGGERS_TO_BUTTONS                (1 << 1)
 #define MAP_STICKS_TO_NULL             (1 << 2)
@@ -112,6 +117,10 @@ static bool sticks_to_null;
 module_param(sticks_to_null, bool, S_IRUGO);
 MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");
 
+static bool auto_poweroff = true;
+module_param(auto_poweroff, bool, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(auto_poweroff, "Power off wireless controllers on suspend");
+
 static const struct xpad_device {
        u16 idVendor;
        u16 idProduct;
@@ -119,43 +128,77 @@ static const struct xpad_device {
        u8 mapping;
        u8 xtype;
 } xpad_device[] = {
+       { 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
+       { 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
+       { 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
+       { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
+       { 0x044f, 0x0f10, "Thrustmaster Modena GT Wheel", 0, XTYPE_XBOX },
+       { 0x044f, 0xb326, "Thrustmaster Gamepad GP XID", 0, XTYPE_XBOX360 },
        { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX },
        { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX },
        { 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
+       { 0x045e, 0x0288, "Microsoft Xbox Controller S v2", 0, XTYPE_XBOX },
        { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX },
        { 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
-       { 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE },
-       { 0x045e, 0x02dd, "Microsoft X-Box One pad (Covert Forces)", 0, 
XTYPE_XBOXONE },
+       { 0x045e, 0x028f, "Microsoft X-Box 360 pad v2", 0, XTYPE_XBOX360 },
        { 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", 
MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
+       { 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE },
+       { 0x045e, 0x02dd, "Microsoft X-Box One pad (Firmware 2015)", 0, 
XTYPE_XBOXONE },
+       { 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", 0, XTYPE_XBOXONE },
+       { 0x045e, 0x02ea, "Microsoft X-Box One S pad", 0, XTYPE_XBOXONE },
        { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX360W },
-       { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
-       { 0x044f, 0xb326, "Thrustmaster Gamepad GP XID", 0, XTYPE_XBOX360 },
        { 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 },
        { 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 },
        { 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 },
        { 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
        { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
        { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX 
},
+       { 0x046d, 0xca8a, "Logitech Precision Vibration Feedback Wheel", 0, 
XTYPE_XBOX },
+       { 0x046d, 0xcaa3, "Logitech DriveFx Racing Wheel", 0, XTYPE_XBOX360 },
+       { 0x056e, 0x2004, "Elecom JC-U3613M", 0, XTYPE_XBOX360 },
        { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
        { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, 
XTYPE_XBOX },
+       { 0x05fe, 0x3030, "Chic Controller", 0, XTYPE_XBOX },
+       { 0x05fe, 0x3031, "Chic Controller", 0, XTYPE_XBOX },
+       { 0x062a, 0x0020, "Logic3 Xbox GamePad", 0, XTYPE_XBOX },
+       { 0x062a, 0x0033, "Competition Pro Steering Wheel", 0, XTYPE_XBOX },
+       { 0x06a3, 0x0200, "Saitek Racing Wheel", 0, XTYPE_XBOX },
+       { 0x06a3, 0x0201, "Saitek Adrenalin", 0, XTYPE_XBOX },
+       { 0x06a3, 0xf51a, "Saitek P3600", 0, XTYPE_XBOX360 },
+       { 0x0738, 0x4506, "Mad Catz 4506 Wireless Controller", 0, XTYPE_XBOX },
        { 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX },
+       { 0x0738, 0x4520, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
        { 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX },
        { 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
+       { 0x0738, 0x4530, "Mad Catz Universal MC2 Racing Wheel and Pedals", 0, 
XTYPE_XBOX },
        { 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX },
        { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX 
},
        { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX },
+       { 0x0738, 0x4586, "Mad Catz MicroCon Wireless Controller", 0, 
XTYPE_XBOX },
+       { 0x0738, 0x4588, "Mad Catz Blaster", 0, XTYPE_XBOX },
+       { 0x0738, 0x45ff, "Mad Catz Beat Pad (w/ Handle)", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX },
        { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, 
XTYPE_XBOX360 },
        { 0x0738, 0x4718, "Mad Catz Street Fighter IV FightStick SE", 0, 
XTYPE_XBOX360 },
        { 0x0738, 0x4726, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4728, "Mad Catz Street Fighter IV FightPad", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x0738, 0x4736, "Mad Catz MicroCon Gamepad", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0738, 0x4740, "Mad Catz Beat Pad", 0, XTYPE_XBOX360 },
+       { 0x0738, 0x4743, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX },
+       { 0x0738, 0x4758, "Mad Catz Arcade Game Stick", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x0738, 0x4a01, "Mad Catz FightStick TE 2", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOXONE },
        { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX },
+       { 0x0738, 0x9871, "Mad Catz Portable Drum", 0, XTYPE_XBOX360 },
        { 0x0738, 0xb726, "Mad Catz Xbox controller - MW2", 0, XTYPE_XBOX360 },
+       { 0x0738, 0xb738, "Mad Catz MVC2TE Stick 2", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
        { 0x0738, 0xbeef, "Mad Catz JOYTECH NEO SE Advanced GamePad", 
XTYPE_XBOX360 },
        { 0x0738, 0xcb02, "Saitek Cyborg Rumble Pad - PC/Xbox 360", 0, 
XTYPE_XBOX360 },
        { 0x0738, 0xcb03, "Saitek P3200 Rumble Pad - PC/Xbox 360", 0, 
XTYPE_XBOX360 },
+       { 0x0738, 0xcb29, "Saitek Aviator Stick AV8R02", 0, XTYPE_XBOX360 },
        { 0x0738, 0xf738, "Super SFIV FightStick TE S", 0, XTYPE_XBOX360 },
+       { 0x07ff, 0xffff, "Mad Catz GamePad", 0, XTYPE_XBOX360 },
+       { 0x0c12, 0x0005, "Intec wireless", 0, XTYPE_XBOX },
+       { 0x0c12, 0x8801, "Nyko Xbox Controller", 0, XTYPE_XBOX },
        { 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
        { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, 
XTYPE_XBOX },
        { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX },
@@ -163,32 +206,66 @@ static const struct xpad_device {
        { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
        { 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX },
        { 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
+       { 0x0e4c, 0x1103, "Radica Gamester Reflex", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX },
        { 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
+       { 0x0e4c, 0x3510, "Radica Gamester", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX 
},
        { 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX },
+       { 0x0e6f, 0x0008, "After Glow Pro Controller", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0105, "HSM3 Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX360 },
        { 0x0e6f, 0x0113, "Afterglow AX.1 Gamepad for Xbox 360", 0, 
XTYPE_XBOX360 },
+       { 0x0e6f, 0x011f, "Rock Candy Gamepad Wired Controller", 0, 
XTYPE_XBOX360 },
+       { 0x0e6f, 0x0131, "PDP EA Sports Controller", 0, XTYPE_XBOX360 },
+       { 0x0e6f, 0x0133, "Xbox 360 Wired Controller", 0, XTYPE_XBOX360 },
+       { 0x0e6f, 0x0139, "Afterglow Prismatic Wired Controller", 0, 
XTYPE_XBOXONE },
+       { 0x0e6f, 0x013a, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x0146, "Rock Candy Wired Controller for Xbox One", 0, 
XTYPE_XBOXONE },
+       { 0x0e6f, 0x0147, "PDP Marvel Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x015c, "PDP Xbox One Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOXONE },
+       { 0x0e6f, 0x0161, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x0162, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x0163, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x0164, "PDP Battlefield One", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x0165, "PDP Titanfall 2", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, 
XTYPE_XBOX360 },
        { 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
+       { 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, 
XTYPE_XBOXONE },
+       { 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02a4, "PDP Wired Controller for Xbox One - Stealth Series", 
0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02a6, "PDP Wired Controller for Xbox One - Camo Series", 0, 
XTYPE_XBOXONE },
        { 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
+       { 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, 
XTYPE_XBOXONE },
        { 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
+       { 0x0e6f, 0x0413, "Afterglow AX.1 Gamepad for Xbox 360", 0, 
XTYPE_XBOX360 },
+       { 0x0e6f, 0x0501, "PDP Xbox 360 Controller", 0, XTYPE_XBOX360 },
+       { 0x0e6f, 0xf900, "PDP Afterglow AX.1", 0, XTYPE_XBOX360 },
        { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX },
        { 0x0e8f, 0x3008, "Generic xbox control (dealextreme)", 0, XTYPE_XBOX },
        { 0x0f0d, 0x000a, "Hori Co. DOA4 FightStick", 0, XTYPE_XBOX360 },
+       { 0x0f0d, 0x000c, "Hori PadEX Turbo", 0, XTYPE_XBOX360 },
        { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
        { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x0f0d, 0x001b, "Hori Real Arcade Pro VX", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x0f0d, 0x0063, "Hori Real Arcade Pro Hayabusa (USA) Xbox One", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
+       { 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
+       { 0x0f0d, 0x0078, "Hori Real Arcade Pro V Kai Xbox One", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
+       { 0x0f30, 0x010b, "Philips Recoil", 0, XTYPE_XBOX },
        { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
        { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
        { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX 
},
+       { 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 },
        { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX360 },
        { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 },
+       { 0x12ab, 0x0303, "Mortal Kombat Klassic FightStick", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX 
},
        { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 },
        { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", 
MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
+       { 0x1430, 0xf801, "RedOctane Controller", 0, XTYPE_XBOX360 },
        { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, 
XTYPE_XBOX360 },
        { 0x1532, 0x0037, "Razer Sabertooth", 0, XTYPE_XBOX360 },
+       { 0x1532, 0x0a00, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOXONE },
        { 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE },
        { 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 },
        { 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
@@ -196,24 +273,67 @@ static const struct xpad_device {
        { 0x162e, 0xbeef, "Joytech Neo-Se Take2", 0, XTYPE_XBOX360 },
        { 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 },
        { 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 },
-       { 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 },
+       { 0x1689, 0xfe00, "Razer Sabertooth", 0, XTYPE_XBOX360 },
        { 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
        { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0x0130, "Ion Drum Rocker", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 
},
        { 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xf018, "Mad Catz Street Fighter IV SE Fighting Stick", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x1bad, 0xf019, "Mad Catz Brawlstick for Xbox 360", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x1bad, 0xf021, "Mad Cats Ghost Recon FS GamePad", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf023, "MLG Pro Circuit Controller (Xbox)", 0, XTYPE_XBOX360 
},
+       { 0x1bad, 0xf025, "Mad Catz Call Of Duty", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xf027, "Mad Catz FPS Pro", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf028, "Street Fighter IV FightPad", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xf02e, "Mad Catz Fightpad", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf030, "Mad Catz Xbox 360 MC2 MicroCon Racing Wheel", 0, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf036, "Mad Catz MicroCon GamePad Pro", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf038, "Street Fighter IV FightStick TE", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xf039, "Mad Catz MvC2 TE", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf03a, "Mad Catz SFxT Fightstick Pro", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x1bad, 0xf03d, "Street Fighter IV Arcade Stick TE - Chun Li", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x1bad, 0xf03e, "Mad Catz MLG FightStick TE", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x1bad, 0xf03f, "Mad Catz FightStick SoulCaliber", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x1bad, 0xf042, "Mad Catz FightStick TES+", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf080, "Mad Catz FightStick TE2", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf501, "HoriPad EX2 Turbo", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xf502, "Hori Real Arcade Pro.VX SA", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x1bad, 0xf503, "Hori Fighting Stick VX", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf504, "Hori Real Arcade Pro. EX", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf505, "Hori Fighting Stick EX2B", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xf506, "Hori Real Arcade Pro.EX Premium VLX", 0, 
XTYPE_XBOX360 },
        { 0x1bad, 0xf900, "Harmonix Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf901, "Gamestop Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf903, "Tron Xbox 360 controller", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xf904, "PDP Versus Fighting Pad", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xf906, "MortalKombat FightStick", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
+       { 0x1bad, 0xfa01, "MadCatz GamePad", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xfd00, "Razer Onza TE", 0, XTYPE_XBOX360 },
+       { 0x1bad, 0xfd01, "Razer Onza", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5000, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
        { 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5303, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0x530a, "Xbox 360 Pro EX Controller", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0x531a, "PowerA Pro Ex", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0x5397, "FUS1ON Tournament Controller", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0x541a, "PowerA Xbox One Mini Wired Controller", 0, 
XTYPE_XBOXONE },
+       { 0x24c6, 0x542a, "Xbox ONE spectra", 0, XTYPE_XBOXONE },
+       { 0x24c6, 0x543a, "PowerA Xbox One wired controller", 0, XTYPE_XBOXONE 
},
        { 0x24c6, 0x5500, "Hori XBOX 360 EX 2 with Turbo", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5501, "Hori Real Arcade Pro VX-SA", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0x5502, "Hori Fighting Stick VX Alt", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x24c6, 0x5503, "Hori Fighting Edge", MAP_TRIGGERS_TO_BUTTONS, 
XTYPE_XBOX360 },
        { 0x24c6, 0x5506, "Hori SOULCALIBUR V Stick", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0x550d, "Hori GEM Xbox controller", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0x550e, "Hori Real Arcade Pro V Kai 360", 
MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+       { 0x24c6, 0x551a, "PowerA FUSION Pro Controller", 0, XTYPE_XBOXONE },
+       { 0x24c6, 0x561a, "PowerA FUSION Controller", 0, XTYPE_XBOXONE },
+       { 0x24c6, 0x5b00, "ThrustMaster Ferrari 458 Racing Wheel", 0, 
XTYPE_XBOX360 },
        { 0x24c6, 0x5b02, "Thrustmaster, Inc. GPX Controller", 0, XTYPE_XBOX360 
},
        { 0x24c6, 0x5b03, "Thrustmaster Ferrari 458 Racing Wheel", 0, 
XTYPE_XBOX360 },
+       { 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 },
+       { 0x24c6, 0xfafe, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
+       { 0x3767, 0x0101, "Fanatec Speedster 3 Forceshock Wheel", 0, XTYPE_XBOX 
},
        { 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
        { 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
 };
@@ -274,15 +394,15 @@ static const signed short xpad_abs_triggers[] = {
  * match against vendor id as well. Wired Xbox 360 devices have protocol 1,
  * wireless controllers have protocol 129.
  */
-#define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \
+#define XPAD_XBOX360_VENDOR_PROTOCOL(vend, pr) \
        .match_flags = USB_DEVICE_ID_MATCH_VENDOR | 
USB_DEVICE_ID_MATCH_INT_INFO, \
        .idVendor = (vend), \
        .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
        .bInterfaceSubClass = 93, \
        .bInterfaceProtocol = (pr)
 #define XPAD_XBOX360_VENDOR(vend) \
-       { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \
-       { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) }
+       { XPAD_XBOX360_VENDOR_PROTOCOL((vend), 1) }, \
+       { XPAD_XBOX360_VENDOR_PROTOCOL((vend), 129) }
 
 /* The Xbox One controller uses subclass 71 and protocol 208. */
 #define XPAD_XBOXONE_VENDOR_PROTOCOL(vend, pr) \
@@ -292,33 +412,138 @@ static const signed short xpad_abs_triggers[] = {
        .bInterfaceSubClass = 71, \
        .bInterfaceProtocol = (pr)
 #define XPAD_XBOXONE_VENDOR(vend) \
-       { XPAD_XBOXONE_VENDOR_PROTOCOL(vend, 208) }
+       { XPAD_XBOXONE_VENDOR_PROTOCOL((vend), 208) }
 
-static struct usb_device_id xpad_table[] = {
+static const struct usb_device_id xpad_table[] = {
        { USB_INTERFACE_INFO('X', 'B', 0) },    /* X-Box USB-IF not approved 
class */
+       XPAD_XBOX360_VENDOR(0x0079),            /* GPD Win 2 Controller */
        XPAD_XBOX360_VENDOR(0x044f),            /* Thrustmaster X-Box 360 
controllers */
        XPAD_XBOX360_VENDOR(0x045e),            /* Microsoft X-Box 360 
controllers */
        XPAD_XBOXONE_VENDOR(0x045e),            /* Microsoft X-Box One 
controllers */
        XPAD_XBOX360_VENDOR(0x046d),            /* Logitech X-Box 360 style 
controllers */
+       XPAD_XBOX360_VENDOR(0x056e),            /* Elecom JC-U3613M */
+       XPAD_XBOX360_VENDOR(0x06a3),            /* Saitek P3600 */
        XPAD_XBOX360_VENDOR(0x0738),            /* Mad Catz X-Box 360 
controllers */
        { USB_DEVICE(0x0738, 0x4540) },         /* Mad Catz Beat Pad */
+       XPAD_XBOXONE_VENDOR(0x0738),            /* Mad Catz FightStick TE 2 */
+       XPAD_XBOX360_VENDOR(0x07ff),            /* Mad Catz GamePad */
        XPAD_XBOX360_VENDOR(0x0e6f),            /* 0x0e6f X-Box 360 controllers 
*/
+       XPAD_XBOXONE_VENDOR(0x0e6f),            /* 0x0e6f X-Box One controllers 
*/
+       XPAD_XBOX360_VENDOR(0x0f0d),            /* Hori Controllers */
+       XPAD_XBOXONE_VENDOR(0x0f0d),            /* Hori Controllers */
+       XPAD_XBOX360_VENDOR(0x11c9),            /* Nacon GC100XF */
        XPAD_XBOX360_VENDOR(0x12ab),            /* X-Box 360 dance pads */
        XPAD_XBOX360_VENDOR(0x1430),            /* RedOctane X-Box 360 
controllers */
        XPAD_XBOX360_VENDOR(0x146b),            /* BigBen Interactive 
Controllers */
-       XPAD_XBOX360_VENDOR(0x1bad),            /* Harminix Rock Band Guitar 
and Drums */
-       XPAD_XBOX360_VENDOR(0x0f0d),            /* Hori Controllers */
-       XPAD_XBOX360_VENDOR(0x1689),            /* Razer Onza */
-       XPAD_XBOX360_VENDOR(0x24c6),            /* PowerA Controllers */
        XPAD_XBOX360_VENDOR(0x1532),            /* Razer Sabertooth */
        XPAD_XBOXONE_VENDOR(0x1532),            /* Razer Wildcat */
        XPAD_XBOX360_VENDOR(0x15e4),            /* Numark X-Box 360 controllers 
*/
        XPAD_XBOX360_VENDOR(0x162e),            /* Joytech X-Box 360 
controllers */
+       XPAD_XBOX360_VENDOR(0x1689),            /* Razer Onza */
+       XPAD_XBOX360_VENDOR(0x1bad),            /* Harminix Rock Band Guitar 
and Drums */
+       XPAD_XBOX360_VENDOR(0x24c6),            /* PowerA Controllers */
+       XPAD_XBOXONE_VENDOR(0x24c6),            /* PowerA Controllers */
        { }
 };
 
 MODULE_DEVICE_TABLE(usb, xpad_table);
 
+struct xboxone_init_packet {
+       u16 idVendor;
+       u16 idProduct;
+       const u8 *data;
+       u8 len;
+};
+
+#define XBOXONE_INIT_PKT(_vid, _pid, _data)            \
+       {                                               \
+               .idVendor       = (_vid),               \
+               .idProduct      = (_pid),               \
+               .data           = (_data),              \
+               .len            = ARRAY_SIZE(_data),    \
+       }
+
+
+/*
+ * This packet is required for all Xbox One pads with 2015
+ * or later firmware installed (or present from the factory).
+ */
+static const u8 xboxone_fw2015_init[] = {
+       0x05, 0x20, 0x00, 0x01, 0x00
+};
+
+/*
+ * This packet is required for the Titanfall 2 Xbox One pads
+ * (0x0e6f:0x0165) to finish initialization and for Hori pads
+ * (0x0f0d:0x0067) to make the analog sticks work.
+ */
+static const u8 xboxone_hori_init[] = {
+       0x01, 0x20, 0x00, 0x09, 0x00, 0x04, 0x20, 0x3a,
+       0x00, 0x00, 0x00, 0x80, 0x00
+};
+
+/*
+ * This packet is required for some of the PDP pads to start
+ * sending input reports. These pads include: (0x0e6f:0x02ab),
+ * (0x0e6f:0x02a4).
+ */
+static const u8 xboxone_pdp_init1[] = {
+       0x0a, 0x20, 0x00, 0x03, 0x00, 0x01, 0x14
+};
+
+/*
+ * This packet is required for some of the PDP pads to start
+ * sending input reports. These pads include: (0x0e6f:0x02ab),
+ * (0x0e6f:0x02a4).
+ */
+static const u8 xboxone_pdp_init2[] = {
+       0x06, 0x20, 0x00, 0x02, 0x01, 0x00
+};
+
+/*
+ * A specific rumble packet is required for some PowerA pads to start
+ * sending input reports. One of those pads is (0x24c6:0x543a).
+ */
+static const u8 xboxone_rumblebegin_init[] = {
+       0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
+       0x1D, 0x1D, 0xFF, 0x00, 0x00
+};
+
+/*
+ * A rumble packet with zero FF intensity will immediately
+ * terminate the rumbling required to init PowerA pads.
+ * This should happen fast enough that the motors don't
+ * spin up to enough speed to actually vibrate the gamepad.
+ */
+static const u8 xboxone_rumbleend_init[] = {
+       0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+/*
+ * This specifies the selection of init packets that a gamepad
+ * will be sent on init *and* the order in which they will be
+ * sent. The correct sequence number will be added when the
+ * packet is going to be sent.
+ */
+static const struct xboxone_init_packet xboxone_init_packets[] = {
+       XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
+       XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
+       XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
+       XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init1),
+       XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init2),
+       XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init1),
+       XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init2),
+       XBOXONE_INIT_PKT(0x0e6f, 0x02a6, xboxone_pdp_init1),
+       XBOXONE_INIT_PKT(0x0e6f, 0x02a6, xboxone_pdp_init2),
+       XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
+       XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
+       XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
+       XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumbleend_init),
+       XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumbleend_init),
+       XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumbleend_init),
+};
+
 struct xpad_output_packet {
        u8 data[XPAD_PKT_LEN];
        u8 len;
@@ -334,23 +559,28 @@ struct xpad_output_packet {
 
 struct usb_xpad {
        struct input_dev *dev;          /* input device interface */
+       struct input_dev __rcu *x360w_dev;
        struct usb_device *udev;        /* usb device */
        struct usb_interface *intf;     /* usb interface */
 
-       int pad_present;
+       bool pad_present;
+       bool input_created;
 
        struct urb *irq_in;             /* urb for interrupt in report */
        unsigned char *idata;           /* input data */
        dma_addr_t idata_dma;
 
        struct urb *irq_out;            /* urb for interrupt out report */
+       struct usb_anchor irq_out_anchor;
        bool irq_out_active;            /* we must not use an active URB */
+       u8 odata_serial;                /* serial number for xbox one protocol 
*/
        unsigned char *odata;           /* output data */
        dma_addr_t odata_dma;
        spinlock_t odata_lock;
 
        struct xpad_output_packet out_packets[XPAD_NUM_OUT_PACKETS];
        int last_out_packet;
+       int init_seq;
 
 #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
        struct xpad_led *led;
@@ -362,8 +592,13 @@ struct usb_xpad {
        int xtype;                      /* type of xbox device */
        int pad_nr;                     /* the order x360 pads were attached */
        const char *name;               /* name of the device */
+       struct work_struct work;        /* init/remove device from callback */
 };
 
+static int xpad_init_input(struct usb_xpad *xpad);
+static void xpad_deinit_input(struct usb_xpad *xpad);
+static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num);
+
 /*
  *     xpad_process_packet
  *
@@ -443,10 +678,12 @@ static void xpad_process_packet(struct usb_xpad *xpad, 
u16 cmd, unsigned char *d
  *             http://www.free60.org/wiki/Gamepad
  */
 
-static void xpad360_process_packet(struct usb_xpad *xpad,
+static void xpad360_process_packet(struct usb_xpad *xpad, struct input_dev 
*dev,
                                   u16 cmd, unsigned char *data)
 {
-       struct input_dev *dev = xpad->dev;
+       /* valid pad data */
+       if (data[0] != 0x00)
+               return;
 
        /* digital pad */
        if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
@@ -514,7 +751,30 @@ static void xpad360_process_packet(struct usb_xpad *xpad,
        input_sync(dev);
 }
 
-static void xpad_identify_controller(struct usb_xpad *xpad);
+static void xpad_presence_work(struct work_struct *work)
+{
+       struct usb_xpad *xpad = container_of(work, struct usb_xpad, work);
+       int error;
+
+       if (xpad->pad_present) {
+               error = xpad_init_input(xpad);
+               if (error) {
+                       /* complain only, not much else we can do here */
+                       dev_err(&xpad->dev->dev,
+                               "unable to init device: %d\n", error);
+               } else {
+                       rcu_assign_pointer(xpad->x360w_dev, xpad->dev);
+               }
+       } else {
+               RCU_INIT_POINTER(xpad->x360w_dev, NULL);
+               synchronize_rcu();
+               /*
+                * Now that we are sure xpad360w_process_packet is not
+                * using input device we can get rid of it.
+                */
+               xpad_deinit_input(xpad);
+       }
+}
 
 /*
  * xpad360w_process_packet
@@ -532,35 +792,61 @@ static void xpad_identify_controller(struct usb_xpad 
*xpad);
  */
 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned 
char *data)
 {
+       struct input_dev *dev;
+       bool present;
+
        /* Presence change */
        if (data[0] & 0x08) {
-               if (data[1] & 0x80) {
-                       xpad->pad_present = 1;
-                       /*
-                        * Light up the segment corresponding to
-                        * controller number.
-                        */
-                       xpad_identify_controller(xpad);
-               } else
-                       xpad->pad_present = 0;
+               present = (data[1] & 0x80) != 0;
+
+               if (xpad->pad_present != present) {
+                       xpad->pad_present = present;
+                       schedule_work(&xpad->work);
+               }
        }
 
        /* Valid pad data */
-       if (!(data[1] & 0x1))
+       if (data[1] != 0x1)
                return;
 
-       xpad360_process_packet(xpad, cmd, &data[4]);
+       rcu_read_lock();
+       dev = rcu_dereference(xpad->x360w_dev);
+       if (dev)
+               xpad360_process_packet(xpad, dev, cmd, &data[4]);
+       rcu_read_unlock();
 }
 
 /*
- *     xpadone_process_buttons
+ *     xpadone_process_packet
  *
- *     Process a button update packet from an Xbox one controller.
+ *     Completes a request by converting the data into events for the
+ *     input subsystem. This version is for the Xbox One controller.
+ *
+ *     The report format was gleaned from
+ *     https://github.com/kylelemons/xbox/blob/master/xbox.go
  */
-static void xpadone_process_buttons(struct usb_xpad *xpad,
-                               struct input_dev *dev,
-                               unsigned char *data)
+static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned 
char *data)
 {
+       struct input_dev *dev = xpad->dev;
+
+       /* the xbox button has its own special report */
+       if (data[0] == 0X07) {
+               /*
+                * The Xbox One S controller requires these reports to be
+                * acked otherwise it continues sending them forever and
+                * won't report further mode button events.
+                */
+               if (data[1] == 0x30)
+                       xpadone_ack_mode_report(xpad, data[2]);
+
+               input_report_key(dev, BTN_MODE, data[4] & 0x01);
+               input_sync(dev);
+               return;
+       }
+       /* check invalid packet */
+       else if (data[0] != 0X20)
+               return;
+
        /* menu/view buttons */
        input_report_key(dev, BTN_START,  data[4] & 0x04);
        input_report_key(dev, BTN_SELECT, data[4] & 0x08);
@@ -623,34 +909,6 @@ static void xpadone_process_buttons(struct usb_xpad *xpad,
        input_sync(dev);
 }
 
-/*
- *     xpadone_process_packet
- *
- *     Completes a request by converting the data into events for the
- *     input subsystem. This version is for the Xbox One controller.
- *
- *     The report format was gleaned from
- *     https://github.com/kylelemons/xbox/blob/master/xbox.go
- */
-
-static void xpadone_process_packet(struct usb_xpad *xpad,
-                               u16 cmd, unsigned char *data)
-{
-       struct input_dev *dev = xpad->dev;
-
-       switch (data[0]) {
-       case 0x20:
-               xpadone_process_buttons(xpad, dev, data);
-               break;
-
-       case 0x07:
-               /* the xbox button has its own special report */
-               input_report_key(dev, BTN_MODE, data[4] & 0x01);
-               input_sync(dev);
-               break;
-       }
-}
-
 static void xpad_irq_in(struct urb *urb)
 {
        struct usb_xpad *xpad = urb->context;
@@ -678,7 +936,7 @@ static void xpad_irq_in(struct urb *urb)
 
        switch (xpad->xtype) {
        case XTYPE_XBOX360:
-               xpad360_process_packet(xpad, 0, xpad->idata);
+               xpad360_process_packet(xpad, xpad->dev, 0, xpad->idata);
                break;
        case XTYPE_XBOX360W:
                xpad360w_process_packet(xpad, 0, xpad->idata);
@@ -697,12 +955,48 @@ exit:
                        __func__, retval);
 }
 
+/* Callers must hold xpad->odata_lock spinlock */
+static bool xpad_prepare_next_init_packet(struct usb_xpad *xpad)
+{
+       const struct xboxone_init_packet *init_packet;
+
+       if (xpad->xtype != XTYPE_XBOXONE)
+               return false;
+
+       /* Perform initialization sequence for Xbox One pads that require it */
+       while (xpad->init_seq < ARRAY_SIZE(xboxone_init_packets)) {
+               init_packet = &xboxone_init_packets[xpad->init_seq++];
+
+               if (init_packet->idVendor != 0 &&
+                   init_packet->idVendor != xpad->dev->id.vendor)
+                       continue;
+
+               if (init_packet->idProduct != 0 &&
+                   init_packet->idProduct != xpad->dev->id.product)
+                       continue;
+
+               /* This packet applies to our device, so prepare to send it */
+               memcpy(xpad->odata, init_packet->data, init_packet->len);
+               xpad->irq_out->transfer_buffer_length = init_packet->len;
+
+               /* Update packet with current sequence number */
+               xpad->odata[2] = xpad->odata_serial++;
+               return true;
+       }
+
+       return false;
+}
+
 /* Callers must hold xpad->odata_lock spinlock */
 static bool xpad_prepare_next_out_packet(struct usb_xpad *xpad)
 {
        struct xpad_output_packet *pkt, *packet = NULL;
        int i;
 
+       /* We may have init packets to send before we can send user commands */
+       if (xpad_prepare_next_init_packet(xpad))
+               return true;
+
        for (i = 0; i < XPAD_NUM_OUT_PACKETS; i++) {
                if (++xpad->last_out_packet >= XPAD_NUM_OUT_PACKETS)
                        xpad->last_out_packet = 0;
@@ -733,11 +1027,13 @@ static int xpad_try_sending_next_out_packet(struct 
usb_xpad *xpad)
        int error;
 
        if (!xpad->irq_out_active && xpad_prepare_next_out_packet(xpad)) {
+               usb_anchor_urb(xpad->irq_out, &xpad->irq_out_anchor);
                error = usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
                if (error) {
                        dev_err(&xpad->intf->dev,
                                "%s - usb_submit_urb failed with result %d\n",
                                __func__, error);
+                       usb_unanchor_urb(xpad->irq_out);
                        return -EIO;
                }
 
@@ -779,11 +1075,13 @@ static void xpad_irq_out(struct urb *urb)
        }
 
        if (xpad->irq_out_active) {
+               usb_anchor_urb(urb, &xpad->irq_out_anchor);
                error = usb_submit_urb(urb, GFP_ATOMIC);
                if (error) {
                        dev_err(dev,
                                "%s - usb_submit_urb failed with result %d\n",
                                __func__, error);
+                       usb_unanchor_urb(urb);
                        xpad->irq_out_active = false;
                }
        }
@@ -791,34 +1089,29 @@ static void xpad_irq_out(struct urb *urb)
        spin_unlock_irqrestore(&xpad->odata_lock, flags);
 }
 
-static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
+static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad,
+                       struct usb_endpoint_descriptor *ep_irq_out)
 {
-       struct usb_endpoint_descriptor *ep_irq_out;
-       int ep_irq_out_idx;
        int error;
 
        if (xpad->xtype == XTYPE_UNKNOWN)
                return 0;
 
+       init_usb_anchor(&xpad->irq_out_anchor);
+
        xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
                                         GFP_KERNEL, &xpad->odata_dma);
-       if (!xpad->odata) {
-               error = -ENOMEM;
-               goto fail1;
-       }
+       if (!xpad->odata)
+               return -ENOMEM;
 
        spin_lock_init(&xpad->odata_lock);
 
        xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
        if (!xpad->irq_out) {
                error = -ENOMEM;
-               goto fail2;
+               goto err_free_coherent;
        }
 
-       /* Xbox One controller has in/out endpoints swapped. */
-       ep_irq_out_idx = xpad->xtype == XTYPE_XBOXONE ? 0 : 1;
-       ep_irq_out = &intf->cur_altsetting->endpoint[ep_irq_out_idx].desc;
-
        usb_fill_int_urb(xpad->irq_out, xpad->udev,
                         usb_sndintpipe(xpad->udev, 
ep_irq_out->bEndpointAddress),
                         xpad->odata, XPAD_PKT_LEN,
@@ -828,14 +1121,21 @@ static int xpad_init_output(struct usb_interface *intf, 
struct usb_xpad *xpad)
 
        return 0;
 
- fail2:        usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, 
xpad->odata_dma);
- fail1:        return error;
+err_free_coherent:
+       usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, 
xpad->odata_dma);
+       return error;
 }
 
 static void xpad_stop_output(struct usb_xpad *xpad)
 {
-       if (xpad->xtype != XTYPE_UNKNOWN)
-               usb_kill_urb(xpad->irq_out);
+       if (xpad->xtype != XTYPE_UNKNOWN) {
+               if (!usb_wait_anchor_empty_timeout(&xpad->irq_out_anchor,
+                                                  5000)) {
+                       dev_warn(&xpad->intf->dev,
+                                "timed out waiting for output URB to complete, 
killing\n");
+                       usb_kill_anchored_urbs(&xpad->irq_out_anchor);
+               }
+       }
 }
 
 static void xpad_deinit_output(struct usb_xpad *xpad)
@@ -882,21 +1182,17 @@ static int xpad_inquiry_pad_presence(struct usb_xpad 
*xpad)
 
 static int xpad_start_xbox_one(struct usb_xpad *xpad)
 {
-       struct xpad_output_packet *packet =
-                       &xpad->out_packets[XPAD_OUT_CMD_IDX];
        unsigned long flags;
        int retval;
 
        spin_lock_irqsave(&xpad->odata_lock, flags);
 
-       /* Xbox one controller needs to be initialized. */
-       packet->data[0] = 0x05;
-       packet->data[1] = 0x20;
-       packet->len = 2;
-       packet->pending = true;
-
-       /* Reset the sequence so we send out start packet first */
-       xpad->last_out_packet = -1;
+       /*
+        * Begin the init sequence by attempting to send a packet.
+        * We will cycle through the init packet sequence before
+        * sending any packets from the output ring.
+        */
+       xpad->init_seq = 0;
        retval = xpad_try_sending_next_out_packet(xpad);
 
        spin_unlock_irqrestore(&xpad->odata_lock, flags);
@@ -904,6 +1200,30 @@ static int xpad_start_xbox_one(struct usb_xpad *xpad)
        return retval;
 }
 
+static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num)
+{
+       unsigned long flags;
+       struct xpad_output_packet *packet =
+                       &xpad->out_packets[XPAD_OUT_CMD_IDX];
+       static const u8 mode_report_ack[] = {
+               0x01, 0x20, 0x00, 0x09, 0x00, 0x07, 0x20, 0x02,
+               0x00, 0x00, 0x00, 0x00, 0x00
+       };
+
+       spin_lock_irqsave(&xpad->odata_lock, flags);
+
+       packet->len = sizeof(mode_report_ack);
+       memcpy(packet->data, mode_report_ack, packet->len);
+       packet->data[2] = seq_num;
+       packet->pending = true;
+
+       /* Reset the sequence so we send out the ack now */
+       xpad->last_out_packet = -1;
+       xpad_try_sending_next_out_packet(xpad);
+
+       spin_unlock_irqrestore(&xpad->odata_lock, flags);
+}
+
 #ifdef CONFIG_JOYSTICK_XPAD_FF
 static int xpad_play_effect(struct input_dev *dev, void *data, struct 
ff_effect *effect)
 {
@@ -966,18 +1286,19 @@ static int xpad_play_effect(struct input_dev *dev, void 
*data, struct ff_effect
 
        case XTYPE_XBOXONE:
                packet->data[0] = 0x09; /* activate rumble */
-               packet->data[1] = 0x08;
-               packet->data[2] = 0x00;
-               packet->data[3] = 0x08; /* continuous effect */
-               packet->data[4] = 0x00; /* simple rumble mode */
-               packet->data[5] = 0x03; /* L and R actuator only */
-               packet->data[6] = 0x00; /* TODO: LT actuator */
-               packet->data[7] = 0x00; /* TODO: RT actuator */
-               packet->data[8] = strong / 256; /* left actuator */
-               packet->data[9] = weak / 256;   /* right actuator */
-               packet->data[10] = 0x80;        /* length of pulse */
-               packet->data[11] = 0x00;        /* stop period of pulse */
-               packet->len = 12;
+               packet->data[1] = 0x00;
+               packet->data[2] = xpad->odata_serial++;
+               packet->data[3] = 0x09;
+               packet->data[4] = 0x00;
+               packet->data[5] = 0x0F;
+               packet->data[6] = 0x00;
+               packet->data[7] = 0x00;
+               packet->data[8] = strong / 512; /* left actuator */
+               packet->data[9] = weak / 512;   /* right actuator */
+               packet->data[10] = 0xFF; /* on period */
+               packet->data[11] = 0x00; /* off period */
+               packet->data[12] = 0xFF; /* repeat count */
+               packet->len = 13;
                packet->pending = true;
                break;
 
@@ -1090,7 +1411,7 @@ static void xpad_send_led_command(struct usb_xpad *xpad, 
int command)
  */
 static void xpad_identify_controller(struct usb_xpad *xpad)
 {
-       xpad_send_led_command(xpad, (xpad->pad_nr % 4) + 2);
+       led_set_brightness(&xpad->led->led_cdev, (xpad->pad_nr % 4) + 2);
 }
 
 static void xpad_led_set(struct led_classdev *led_cdev,
@@ -1127,19 +1448,13 @@ static int xpad_led_probe(struct usb_xpad *xpad)
        led_cdev = &led->led_cdev;
        led_cdev->name = led->name;
        led_cdev->brightness_set = xpad_led_set;
+       led_cdev->flags = LED_CORE_SUSPENDRESUME;
 
        error = led_classdev_register(&xpad->udev->dev, led_cdev);
        if (error)
                goto err_free_id;
 
-       if (xpad->xtype == XTYPE_XBOX360) {
-               /*
-                * Light up the segment corresponding to controller
-                * number on wired devices. On wireless we'll do that
-                * when they respond to "presence" packet.
-                */
-               xpad_identify_controller(xpad);
-       }
+       xpad_identify_controller(xpad);
 
        return 0;
 
@@ -1164,41 +1479,110 @@ static void xpad_led_disconnect(struct usb_xpad *xpad)
 #else
 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
 static void xpad_led_disconnect(struct usb_xpad *xpad) { }
-static void xpad_identify_controller(struct usb_xpad *xpad) { }
 #endif
 
-static int xpad_open(struct input_dev *dev)
+static int xpad_start_input(struct usb_xpad *xpad)
 {
-       struct usb_xpad *xpad = input_get_drvdata(dev);
-
-       /* URB was submitted in probe */
-       if (xpad->xtype == XTYPE_XBOX360W)
-               return 0;
+       int error;
 
-       xpad->irq_in->dev = xpad->udev;
        if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
                return -EIO;
 
-       if (xpad->xtype == XTYPE_XBOXONE)
-               return xpad_start_xbox_one(xpad);
+       if (xpad->xtype == XTYPE_XBOXONE) {
+               error = xpad_start_xbox_one(xpad);
+               if (error) {
+                       usb_kill_urb(xpad->irq_in);
+                       return error;
+               }
+       }
 
        return 0;
 }
 
-static void xpad_close(struct input_dev *dev)
+static void xpad_stop_input(struct usb_xpad *xpad)
 {
-       struct usb_xpad *xpad = input_get_drvdata(dev);
+       usb_kill_urb(xpad->irq_in);
+}
 
-       if (xpad->xtype != XTYPE_XBOX360W)
+static void xpad360w_poweroff_controller(struct usb_xpad *xpad)
+{
+       unsigned long flags;
+       struct xpad_output_packet *packet =
+                       &xpad->out_packets[XPAD_OUT_CMD_IDX];
+
+       spin_lock_irqsave(&xpad->odata_lock, flags);
+
+       packet->data[0] = 0x00;
+       packet->data[1] = 0x00;
+       packet->data[2] = 0x08;
+       packet->data[3] = 0xC0;
+       packet->data[4] = 0x00;
+       packet->data[5] = 0x00;
+       packet->data[6] = 0x00;
+       packet->data[7] = 0x00;
+       packet->data[8] = 0x00;
+       packet->data[9] = 0x00;
+       packet->data[10] = 0x00;
+       packet->data[11] = 0x00;
+       packet->len = 12;
+       packet->pending = true;
+
+       /* Reset the sequence so we send out poweroff now */
+       xpad->last_out_packet = -1;
+       xpad_try_sending_next_out_packet(xpad);
+
+       spin_unlock_irqrestore(&xpad->odata_lock, flags);
+}
+
+static int xpad360w_start_input(struct usb_xpad *xpad)
+{
+       int error;
+
+       error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
+       if (error)
+               return -EIO;
+
+       /*
+        * Send presence packet.
+        * This will force the controller to resend connection packets.
+        * This is useful in the case we activate the module after the
+        * adapter has been plugged in, as it won't automatically
+        * send us info about the controllers.
+        */
+       error = xpad_inquiry_pad_presence(xpad);
+       if (error) {
                usb_kill_urb(xpad->irq_in);
+               return error;
+       }
 
-       xpad_stop_output(xpad);
+       return 0;
+}
+
+static void xpad360w_stop_input(struct usb_xpad *xpad)
+{
+       usb_kill_urb(xpad->irq_in);
+
+       /* Make sure we are done with presence work if it was scheduled */
+       flush_work(&xpad->work);
+}
+
+static int xpad_open(struct input_dev *dev)
+{
+       struct usb_xpad *xpad = input_get_drvdata(dev);
+
+       return xpad_start_input(xpad);
+}
+
+static void xpad_close(struct input_dev *dev)
+{
+       struct usb_xpad *xpad = input_get_drvdata(dev);
+
+       xpad_stop_input(xpad);
 }
 
 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
 {
        struct usb_xpad *xpad = input_get_drvdata(input_dev);
-       set_bit(abs, input_dev->absbit);
 
        switch (abs) {
        case ABS_X:
@@ -1218,13 +1602,19 @@ static void xpad_set_up_abs(struct input_dev 
*input_dev, signed short abs)
        case ABS_HAT0Y: /* the d-pad (only if dpad is mapped to axes */
                input_set_abs_params(input_dev, abs, -1, 1, 0, 0);
                break;
+       default:
+               input_set_abs_params(input_dev, abs, 0, 0, 0, 0);
+               break;
        }
 }
 
 static void xpad_deinit_input(struct usb_xpad *xpad)
 {
-       xpad_led_disconnect(xpad);
-       input_unregister_device(xpad->dev);
+       if (xpad->input_created) {
+               xpad->input_created = false;
+               xpad_led_disconnect(xpad);
+               input_unregister_device(xpad->dev);
+       }
 }
 
 static int xpad_init_input(struct usb_xpad *xpad)
@@ -1250,13 +1640,12 @@ static int xpad_init_input(struct usb_xpad *xpad)
 
        input_set_drvdata(input_dev, xpad);
 
-       input_dev->open = xpad_open;
-       input_dev->close = xpad_close;
-
-       __set_bit(EV_KEY, input_dev->evbit);
+       if (xpad->xtype != XTYPE_XBOX360W) {
+               input_dev->open = xpad_open;
+               input_dev->close = xpad_close;
+       }
 
        if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
-               __set_bit(EV_ABS, input_dev->evbit);
                /* set up axes */
                for (i = 0; xpad_abs[i] >= 0; i++)
                        xpad_set_up_abs(input_dev, xpad_abs[i]);
@@ -1264,21 +1653,22 @@ static int xpad_init_input(struct usb_xpad *xpad)
 
        /* set up standard buttons */
        for (i = 0; xpad_common_btn[i] >= 0; i++)
-               __set_bit(xpad_common_btn[i], input_dev->keybit);
+               input_set_capability(input_dev, EV_KEY, xpad_common_btn[i]);
 
        /* set up model-specific ones */
        if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
            xpad->xtype == XTYPE_XBOXONE) {
                for (i = 0; xpad360_btn[i] >= 0; i++)
-                       __set_bit(xpad360_btn[i], input_dev->keybit);
+                       input_set_capability(input_dev, EV_KEY, xpad360_btn[i]);
        } else {
                for (i = 0; xpad_btn[i] >= 0; i++)
-                       __set_bit(xpad_btn[i], input_dev->keybit);
+                       input_set_capability(input_dev, EV_KEY, xpad_btn[i]);
        }
 
        if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
                for (i = 0; xpad_btn_pad[i] >= 0; i++)
-                       __set_bit(xpad_btn_pad[i], input_dev->keybit);
+                       input_set_capability(input_dev, EV_KEY,
+                                            xpad_btn_pad[i]);
        }
 
        /*
@@ -1295,7 +1685,8 @@ static int xpad_init_input(struct usb_xpad *xpad)
 
        if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
                for (i = 0; xpad_btn_triggers[i] >= 0; i++)
-                       __set_bit(xpad_btn_triggers[i], input_dev->keybit);
+                       input_set_capability(input_dev, EV_KEY,
+                                            xpad_btn_triggers[i]);
        } else {
                for (i = 0; xpad_abs_triggers[i] >= 0; i++)
                        xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
@@ -1313,6 +1704,7 @@ static int xpad_init_input(struct usb_xpad *xpad)
        if (error)
                goto err_disconnect_led;
 
+       xpad->input_created = true;
        return 0;
 
 err_disconnect_led:
@@ -1328,8 +1720,7 @@ static int xpad_probe(struct usb_interface *intf, const 
struct usb_device_id *id
 {
        struct usb_device *udev = interface_to_usbdev(intf);
        struct usb_xpad *xpad;
-       struct usb_endpoint_descriptor *ep_irq_in;
-       int ep_irq_in_idx;
+       struct usb_endpoint_descriptor *ep_irq_in, *ep_irq_out;
        int i, error;
 
        if (intf->cur_altsetting->desc.bNumEndpoints != 2)
@@ -1366,6 +1757,7 @@ static int xpad_probe(struct usb_interface *intf, const 
struct usb_device_id *id
        xpad->mapping = xpad_device[i].mapping;
        xpad->xtype = xpad_device[i].xtype;
        xpad->name = xpad_device[i].name;
+       INIT_WORK(&xpad->work, xpad_presence_work);
 
        if (xpad->xtype == XTYPE_UNKNOWN) {
                if (intf->cur_altsetting->desc.bInterfaceClass == 
USB_CLASS_VENDOR_SPEC) {
@@ -1398,13 +1790,28 @@ static int xpad_probe(struct usb_interface *intf, const 
struct usb_device_id *id
                goto err_free_in_urb;
        }
 
-       error = xpad_init_output(intf, xpad);
-       if (error)
+       ep_irq_in = ep_irq_out = NULL;
+
+       for (i = 0; i < 2; i++) {
+               struct usb_endpoint_descriptor *ep =
+                               &intf->cur_altsetting->endpoint[i].desc;
+
+               if (usb_endpoint_xfer_int(ep)) {
+                       if (usb_endpoint_dir_in(ep))
+                               ep_irq_in = ep;
+                       else
+                               ep_irq_out = ep;
+               }
+       }
+
+       if (!ep_irq_in || !ep_irq_out) {
+               error = -ENODEV;
                goto err_free_in_urb;
+       }
 
-       /* Xbox One controller has in/out endpoints swapped. */
-       ep_irq_in_idx = xpad->xtype == XTYPE_XBOXONE ? 1 : 0;
-       ep_irq_in = &intf->cur_altsetting->endpoint[ep_irq_in_idx].desc;
+       error = xpad_init_output(intf, xpad, ep_irq_out);
+       if (error)
+               goto err_free_in_urb;
 
        usb_fill_int_urb(xpad->irq_in, udev,
                         usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
@@ -1415,10 +1822,6 @@ static int xpad_probe(struct usb_interface *intf, const 
struct usb_device_id *id
 
        usb_set_intfdata(intf, xpad);
 
-       error = xpad_init_input(xpad);
-       if (error)
-               goto err_deinit_output;
-
        if (xpad->xtype == XTYPE_XBOX360W) {
                /*
                 * Submit the int URB immediately rather than waiting for open
@@ -1427,28 +1830,24 @@ static int xpad_probe(struct usb_interface *intf, const 
struct usb_device_id *id
                 * exactly the message that a controller has arrived that
                 * we're waiting for.
                 */
-               xpad->irq_in->dev = xpad->udev;
-               error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
+               error = xpad360w_start_input(xpad);
                if (error)
-                       goto err_deinit_input;
-
+                       goto err_deinit_output;
                /*
-                * Send presence packet.
-                * This will force the controller to resend connection packets.
-                * This is useful in the case we activate the module after the
-                * adapter has been plugged in, as it won't automatically
-                * send us info about the controllers.
+                * Wireless controllers require RESET_RESUME to work properly
+                * after suspend. Ideally this quirk should be in usb core
+                * quirk list, but we have too many vendors producing these
+                * controllers and we'd need to maintain 2 identical lists
+                * here in this driver and in usb core.
                 */
-               error = xpad_inquiry_pad_presence(xpad);
+               udev->quirks |= USB_QUIRK_RESET_RESUME;
+       } else {
+               error = xpad_init_input(xpad);
                if (error)
-                       goto err_kill_in_urb;
+                       goto err_deinit_output;
        }
        return 0;
 
-err_kill_in_urb:
-       usb_kill_urb(xpad->irq_in);
-err_deinit_input:
-       xpad_deinit_input(xpad);
 err_deinit_output:
        xpad_deinit_output(xpad);
 err_free_in_urb:
@@ -1458,19 +1857,24 @@ err_free_idata:
 err_free_mem:
        kfree(xpad);
        return error;
-
 }
 
 static void xpad_disconnect(struct usb_interface *intf)
 {
-       struct usb_xpad *xpad = usb_get_intfdata (intf);
+       struct usb_xpad *xpad = usb_get_intfdata(intf);
+
+       if (xpad->xtype == XTYPE_XBOX360W)
+               xpad360w_stop_input(xpad);
 
        xpad_deinit_input(xpad);
-       xpad_deinit_output(xpad);
 
-       if (xpad->xtype == XTYPE_XBOX360W) {
-               usb_kill_urb(xpad->irq_in);
-       }
+       /*
+        * Now that both input device and LED device are gone we can
+        * stop output URB.
+        */
+       xpad_stop_output(xpad);
+
+       xpad_deinit_output(xpad);
 
        usb_free_urb(xpad->irq_in);
        usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
@@ -1481,10 +1885,72 @@ static void xpad_disconnect(struct usb_interface *intf)
        usb_set_intfdata(intf, NULL);
 }
 
+static int xpad_suspend(struct usb_interface *intf, pm_message_t message)
+{
+       struct usb_xpad *xpad = usb_get_intfdata(intf);
+       struct input_dev *input = xpad->dev;
+
+       if (xpad->xtype == XTYPE_XBOX360W) {
+               /*
+                * Wireless controllers always listen to input so
+                * they are notified when controller shows up
+                * or goes away.
+                */
+               xpad360w_stop_input(xpad);
+
+               /*
+                * The wireless adapter is going off now, so the
+                * gamepads are going to become disconnected.
+                * Unless explicitly disabled, power them down
+                * so they don't just sit there flashing.
+                */
+               if (auto_poweroff && xpad->pad_present)
+                       xpad360w_poweroff_controller(xpad);
+       } else {
+               mutex_lock(&input->mutex);
+               if (input->users)
+                       xpad_stop_input(xpad);
+               mutex_unlock(&input->mutex);
+       }
+
+       xpad_stop_output(xpad);
+
+       return 0;
+}
+
+static int xpad_resume(struct usb_interface *intf)
+{
+       struct usb_xpad *xpad = usb_get_intfdata(intf);
+       struct input_dev *input = xpad->dev;
+       int retval = 0;
+
+       if (xpad->xtype == XTYPE_XBOX360W) {
+               retval = xpad360w_start_input(xpad);
+       } else {
+               mutex_lock(&input->mutex);
+               if (input->users) {
+                       retval = xpad_start_input(xpad);
+               } else if (xpad->xtype == XTYPE_XBOXONE) {
+                       /*
+                        * Even if there are no users, we'll send Xbox One pads
+                        * the startup sequence so they don't sit there and
+                        * blink until somebody opens the input device again.
+                        */
+                       retval = xpad_start_xbox_one(xpad);
+               }
+               mutex_unlock(&input->mutex);
+       }
+
+       return retval;
+}
+
 static struct usb_driver xpad_driver = {
        .name           = "xpad",
        .probe          = xpad_probe,
        .disconnect     = xpad_disconnect,
+       .suspend        = xpad_suspend,
+       .resume         = xpad_resume,
+       .reset_resume   = xpad_resume,
        .id_table       = xpad_table,
 };
 
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index eab132778e67..1dbee1cb3df9 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -423,6 +423,34 @@ void can_put_echo_skb(struct sk_buff *skb, struct 
net_device *dev,
 }
 EXPORT_SYMBOL_GPL(can_put_echo_skb);
 
+struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, 
u8 *len_ptr)
+{
+       struct can_priv *priv = netdev_priv(dev);
+       struct sk_buff *skb = priv->echo_skb[idx];
+       struct canfd_frame *cf;
+
+       if (idx >= priv->echo_skb_max) {
+               netdev_err(dev, "%s: BUG! Trying to access can_priv::echo_skb 
out of bounds (%u/max %u)\n",
+                          __func__, idx, priv->echo_skb_max);
+               return NULL;
+       }
+
+       if (!skb) {
+               netdev_err(dev, "%s: BUG! Trying to echo non existing skb: 
can_priv::echo_skb[%u]\n",
+                          __func__, idx);
+               return NULL;
+       }
+
+       /* Using "struct canfd_frame::len" for the frame
+        * length is supported on both CAN and CANFD frames.
+        */
+       cf = (struct canfd_frame *)skb->data;
+       *len_ptr = cf->len;
+       priv->echo_skb[idx] = NULL;
+
+       return skb;
+}
+
 /*
  * Get the skb from the stack and loop it back locally
  *
@@ -432,22 +460,16 @@ EXPORT_SYMBOL_GPL(can_put_echo_skb);
  */
 unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx)
 {
-       struct can_priv *priv = netdev_priv(dev);
-
-       BUG_ON(idx >= priv->echo_skb_max);
-
-       if (priv->echo_skb[idx]) {
-               struct sk_buff *skb = priv->echo_skb[idx];
-               struct can_frame *cf = (struct can_frame *)skb->data;
-               u8 dlc = cf->can_dlc;
+       struct sk_buff *skb;
+       u8 len;
 
-               netif_rx(priv->echo_skb[idx]);
-               priv->echo_skb[idx] = NULL;
+       skb = __can_get_echo_skb(dev, idx, &len);
+       if (!skb)
+               return 0;
 
-               return dlc;
-       }
+       netif_rx(skb);
 
-       return 0;
+       return len;
 }
 EXPORT_SYMBOL_GPL(can_get_echo_skb);
 
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c 
b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 4c73feca4842..0565efad6e6e 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -491,7 +491,7 @@ static int bcmgenet_mii_of_init(struct bcmgenet_priv *priv)
        if (!compat)
                return -ENOMEM;
 
-       priv->mdio_dn = of_find_compatible_node(dn, NULL, compat);
+       priv->mdio_dn = of_get_compatible_child(dn, compat);
        kfree(compat);
        if (!priv->mdio_dn) {
                dev_err(kdev, "unable to find MDIO bus node\n");
diff --git a/drivers/net/wireless/ath/ath10k/mac.c 
b/drivers/net/wireless/ath/ath10k/mac.c
index 4644357d291a..398068ad0b62 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4470,7 +4470,9 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
        }
 
        ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
+       spin_lock_bh(&ar->data_lock);
        list_add(&arvif->list, &ar->arvifs);
+       spin_unlock_bh(&ar->data_lock);
 
        /* It makes no sense to have firmware do keepalives. mac80211 already
         * takes care of this with idle connection polling.
@@ -4603,7 +4605,9 @@ err_peer_delete:
 err_vdev_delete:
        ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
        ar->free_vdev_map |= 1LL << arvif->vdev_id;
+       spin_lock_bh(&ar->data_lock);
        list_del(&arvif->list);
+       spin_unlock_bh(&ar->data_lock);
 
 err:
        if (arvif->beacon_buf) {
@@ -4647,7 +4651,9 @@ static void ath10k_remove_interface(struct ieee80211_hw 
*hw,
                            arvif->vdev_id, ret);
 
        ar->free_vdev_map |= 1LL << arvif->vdev_id;
+       spin_lock_bh(&ar->data_lock);
        list_del(&arvif->list);
+       spin_unlock_bh(&ar->data_lock);
 
        if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
            arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
diff --git a/drivers/net/wireless/cw1200/wsm.c 
b/drivers/net/wireless/cw1200/wsm.c
index 3dd46c78c1cc..5a595f9f47ff 100644
--- a/drivers/net/wireless/cw1200/wsm.c
+++ b/drivers/net/wireless/cw1200/wsm.c
@@ -1805,16 +1805,18 @@ static int wsm_buf_reserve(struct wsm_buf *buf, size_t 
extra_size)
 {
        size_t pos = buf->data - buf->begin;
        size_t size = pos + extra_size;
+       u8 *tmp;
 
        size = round_up(size, FWLOAD_BLOCK_SIZE);
 
-       buf->begin = krealloc(buf->begin, size, GFP_KERNEL | GFP_DMA);
-       if (buf->begin) {
-               buf->data = &buf->begin[pos];
-               buf->end = &buf->begin[size];
-               return 0;
-       } else {
-               buf->end = buf->data = buf->begin;
+       tmp = krealloc(buf->begin, size, GFP_KERNEL | GFP_DMA);
+       if (!tmp) {
+               wsm_buf_deinit(buf);
                return -ENOMEM;
        }
+
+       buf->begin = tmp;
+       buf->data = &buf->begin[pos];
+       buf->end = &buf->begin[size];
+       return 0;
 }
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c 
b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 984cd2f05c4a..7b2a7d848a56 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -322,8 +322,12 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct 
wiphy *wiphy,
                goto out;
        }
 
-       if (changed)
-               *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE);
+       if (changed) {
+               u32 status = le32_to_cpu(resp->status);
+
+               *changed = (status == MCC_RESP_NEW_CHAN_PROFILE ||
+                           status == MCC_RESP_ILLEGAL);
+       }
 
        regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
                                      __le32_to_cpu(resp->n_channels),
@@ -4050,10 +4054,6 @@ static void iwl_mvm_mac_sta_statistics(struct 
ieee80211_hw *hw,
        struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
        struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 
-       if (!fw_has_capa(&mvm->fw->ucode_capa,
-                        IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
-               return;
-
        /* if beacon filtering isn't on mac80211 does it anyway */
        if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
                return;
diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c 
b/drivers/net/wireless/iwlwifi/mvm/nvm.c
index 2ee0f6fe56a1..5509c5024352 100644
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c
@@ -667,9 +667,8 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
 
        n_channels =  __le32_to_cpu(mcc_resp->n_channels);
        IWL_DEBUG_LAR(mvm,
-                     "MCC response status: 0x%x. new MCC: 0x%x ('%c%c') 
change: %d n_chans: %d\n",
-                     status, mcc, mcc >> 8, mcc & 0xff,
-                     !!(status == MCC_RESP_NEW_CHAN_PROFILE), n_channels);
+                     "MCC response status: 0x%x. new MCC: 0x%x ('%c%c') 
n_chans: %d\n",
+                     status, mcc, mcc >> 8, mcc & 0xff, n_channels);
 
        resp_len = sizeof(*mcc_resp) + n_channels * sizeof(__le32);
        resp_cp = kmemdup(mcc_resp, resp_len, GFP_KERNEL);
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c 
b/drivers/net/wireless/mwifiex/cfg80211.c
index 9a8982f581c5..1e074eaf613d 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1150,6 +1150,12 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
                        priv->adapter->curr_iface_comb.p2p_intf--;
                        priv->adapter->curr_iface_comb.sta_intf++;
                        dev->ieee80211_ptr->iftype = type;
+                       if (mwifiex_deinit_priv_params(priv))
+                               return -1;
+                       if (mwifiex_init_new_priv_params(priv, dev, type))
+                               return -1;
+                       if (mwifiex_sta_init_cmd(priv, false, false))
+                               return -1;
                        break;
                case NL80211_IFTYPE_ADHOC:
                        if (mwifiex_cfg80211_deinit_p2p(priv))
@@ -2839,8 +2845,10 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct 
wireless_dev *wdev)
 
        mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 
-       skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
+       skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
+               skb_unlink(skb, &priv->bypass_txq);
                mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
+       }
 
        if (netif_carrier_ok(priv->netdev))
                netif_carrier_off(priv->netdev);
diff --git a/drivers/net/wireless/mwifiex/wmm.c 
b/drivers/net/wireless/mwifiex/wmm.c
index acccd6734e3b..ed8b69d1d65c 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -501,8 +501,10 @@ mwifiex_wmm_del_pkts_in_ralist_node(struct mwifiex_private 
*priv,
        struct mwifiex_adapter *adapter = priv->adapter;
        struct sk_buff *skb, *tmp;
 
-       skb_queue_walk_safe(&ra_list->skb_head, skb, tmp)
+       skb_queue_walk_safe(&ra_list->skb_head, skb, tmp) {
+               skb_unlink(skb, &ra_list->skb_head);
                mwifiex_write_data_complete(adapter, skb, 0, -1);
+       }
 }
 
 /*
@@ -598,11 +600,15 @@ mwifiex_clean_txrx(struct mwifiex_private *priv)
                priv->adapter->if_ops.clean_pcie_ring(priv->adapter);
        spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
 
-       skb_queue_walk_safe(&priv->tdls_txq, skb, tmp)
+       skb_queue_walk_safe(&priv->tdls_txq, skb, tmp) {
+               skb_unlink(skb, &priv->tdls_txq);
                mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
+       }
 
-       skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
+       skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
+               skb_unlink(skb, &priv->bypass_txq);
                mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
+       }
        atomic_set(&priv->adapter->bypass_tx_pending, 0);
 
        idr_for_each(&priv->ack_status_frames, mwifiex_free_ack_frame, NULL);
diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c
index 6c0c301611c4..1b11ded79c4f 100644
--- a/drivers/nfc/nfcmrvl/uart.c
+++ b/drivers/nfc/nfcmrvl/uart.c
@@ -73,10 +73,9 @@ static int nfcmrvl_uart_parse_dt(struct device_node *node,
        struct device_node *matched_node;
        int ret;
 
-       matched_node = of_find_compatible_node(node, NULL, "marvell,nfc-uart");
+       matched_node = of_get_compatible_child(node, "marvell,nfc-uart");
        if (!matched_node) {
-               matched_node = of_find_compatible_node(node, NULL,
-                                                      "mrvl,nfc-uart");
+               matched_node = of_get_compatible_child(node, "mrvl,nfc-uart");
                if (!matched_node)
                        return -ENODEV;
        }
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 31341290cd91..c6e019208d17 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -712,6 +712,31 @@ struct device_node *of_get_next_available_child(const 
struct device_node *node,
 }
 EXPORT_SYMBOL(of_get_next_available_child);
 
+/**
+ * of_get_compatible_child - Find compatible child node
+ * @parent:    parent node
+ * @compatible:        compatible string
+ *
+ * Lookup child node whose compatible property contains the given compatible
+ * string.
+ *
+ * Returns a node pointer with refcount incremented, use of_node_put() on it
+ * when done; or NULL if not found.
+ */
+struct device_node *of_get_compatible_child(const struct device_node *parent,
+                               const char *compatible)
+{
+       struct device_node *child;
+
+       for_each_child_of_node(parent, child) {
+               if (of_device_is_compatible(child, compatible))
+                       break;
+       }
+
+       return child;
+}
+EXPORT_SYMBOL(of_get_compatible_child);
+
 /**
  *     of_get_child_by_name - Find the child node by name for a given parent
  *     @node:  parent node
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 18b19744398a..ff5df33fc740 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -685,6 +685,11 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct 
scsi_cmnd *cmd)
        srb_t *sp;
        int rval;
 
+       if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
+               cmd->result = DID_NO_CONNECT << 16;
+               goto qc24_fail_command;
+       }
+
        if (ha->flags.eeh_busy) {
                if (ha->flags.pci_channel_io_perm_failure) {
                        ql_dbg(ql_dbg_aer, vha, 0x9010,
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 42c459a9d3fe..ce5234555cc9 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -45,6 +45,7 @@
 #define QUERY_DESC_MIN_SIZE       2
 #define QUERY_OSF_SIZE            (GENERAL_UPIU_REQUEST_SIZE - \
                                        (sizeof(struct utp_upiu_header)))
+#define RESPONSE_UPIU_SENSE_DATA_LENGTH        18
 
 #define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\
                        cpu_to_be32((byte3 << 24) | (byte2 << 16) |\
@@ -383,7 +384,7 @@ struct utp_cmd_rsp {
        __be32 residual_transfer_count;
        __be32 reserved[4];
        __be16 sense_data_len;
-       u8 sense_data[18];
+       u8 sense_data[RESPONSE_UPIU_SENSE_DATA_LENGTH];
 };
 
 /**
diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
index d15eaa466c59..52b546fb509b 100644
--- a/drivers/scsi/ufs/ufshcd-pci.c
+++ b/drivers/scsi/ufs/ufshcd-pci.c
@@ -104,6 +104,7 @@ static void ufshcd_pci_remove(struct pci_dev *pdev)
        pm_runtime_forbid(&pdev->dev);
        pm_runtime_get_noresume(&pdev->dev);
        ufshcd_remove(hba);
+       ufshcd_dealloc_host(hba);
 }
 
 /**
@@ -147,6 +148,7 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct 
pci_device_id *id)
        err = ufshcd_init(hba, mmio_base, pdev->irq);
        if (err) {
                dev_err(&pdev->dev, "Initialization failed\n");
+               ufshcd_dealloc_host(hba);
                return err;
        }
 
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 9714f2a8b329..f58abfcdfe81 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -161,7 +161,7 @@ static int ufshcd_populate_vreg(struct device *dev, const 
char *name,
        if (ret) {
                dev_err(dev, "%s: unable to find %s err %d\n",
                                __func__, prop_name, ret);
-               goto out_free;
+               goto out;
        }
 
        vreg->min_uA = 0;
@@ -183,9 +183,6 @@ static int ufshcd_populate_vreg(struct device *dev, const 
char *name,
 
        goto out;
 
-out_free:
-       devm_kfree(dev, vreg);
-       vreg = NULL;
 out:
        if (!ret)
                *out_vreg = vreg;
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 8c58adadb728..c94d465de941 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -585,6 +585,21 @@ int ufshcd_hold(struct ufs_hba *hba, bool async)
 start:
        switch (hba->clk_gating.state) {
        case CLKS_ON:
+               /*
+                * Wait for the ungate work to complete if in progress.
+                * Though the clocks may be in ON state, the link could
+                * still be in hibner8 state if hibern8 is allowed
+                * during clock gating.
+                * Make sure we exit hibern8 state also in addition to
+                * clocks being ON.
+                */
+               if (ufshcd_can_hibern8_during_gating(hba) &&
+                   ufshcd_is_link_hibern8(hba)) {
+                       spin_unlock_irqrestore(hba->host->host_lock, flags);
+                       flush_work(&hba->clk_gating.ungate_work);
+                       spin_lock_irqsave(hba->host->host_lock, flags);
+                       goto start;
+               }
                break;
        case REQ_CLKS_OFF:
                if (cancel_delayed_work(&hba->clk_gating.gate_work)) {
@@ -813,10 +828,14 @@ static inline void ufshcd_copy_sense_data(struct 
ufshcd_lrb *lrbp)
        int len;
        if (lrbp->sense_buffer &&
            ufshcd_get_rsp_upiu_data_seg_len(lrbp->ucd_rsp_ptr)) {
+               int len_to_copy;
+
                len = be16_to_cpu(lrbp->ucd_rsp_ptr->sr.sense_data_len);
+               len_to_copy = min_t(int, RESPONSE_UPIU_SENSE_DATA_LENGTH, len);
+
                memcpy(lrbp->sense_buffer,
                        lrbp->ucd_rsp_ptr->sr.sense_data,
-                       min_t(int, len, SCSI_SENSE_BUFFERSIZE));
+                       min_t(int, len_to_copy, SCSI_SENSE_BUFFERSIZE));
        }
 }
 
@@ -5251,7 +5270,10 @@ EXPORT_SYMBOL(ufshcd_system_suspend);
 
 int ufshcd_system_resume(struct ufs_hba *hba)
 {
-       if (!hba || !hba->is_powered || pm_runtime_suspended(hba->dev))
+       if (!hba)
+               return -EINVAL;
+
+       if (!hba->is_powered || pm_runtime_suspended(hba->dev))
                /*
                 * Let the runtime resume take care of resuming
                 * if runtime suspended.
@@ -5272,7 +5294,10 @@ EXPORT_SYMBOL(ufshcd_system_resume);
  */
 int ufshcd_runtime_suspend(struct ufs_hba *hba)
 {
-       if (!hba || !hba->is_powered)
+       if (!hba)
+               return -EINVAL;
+
+       if (!hba->is_powered)
                return 0;
 
        return ufshcd_suspend(hba, UFS_RUNTIME_PM);
@@ -5302,10 +5327,13 @@ EXPORT_SYMBOL(ufshcd_runtime_suspend);
  */
 int ufshcd_runtime_resume(struct ufs_hba *hba)
 {
-       if (!hba || !hba->is_powered)
+       if (!hba)
+               return -EINVAL;
+
+       if (!hba->is_powered)
                return 0;
-       else
-               return ufshcd_resume(hba, UFS_RUNTIME_PM);
+
+       return ufshcd_resume(hba, UFS_RUNTIME_PM);
 }
 EXPORT_SYMBOL(ufshcd_runtime_resume);
 
@@ -5357,8 +5385,6 @@ void ufshcd_remove(struct ufs_hba *hba)
        ufshcd_disable_intr(hba, hba->intr_mask);
        ufshcd_hba_stop(hba);
 
-       scsi_host_put(hba->host);
-
        ufshcd_exit_clk_gating(hba);
        if (ufshcd_is_clkscaling_enabled(hba))
                devfreq_remove_device(hba->devfreq);
@@ -5483,15 +5509,47 @@ static int ufshcd_devfreq_target(struct device *dev,
 {
        int err = 0;
        struct ufs_hba *hba = dev_get_drvdata(dev);
+       bool release_clk_hold = false;
+       unsigned long irq_flags;
 
        if (!ufshcd_is_clkscaling_enabled(hba))
                return -EINVAL;
 
+       spin_lock_irqsave(hba->host->host_lock, irq_flags);
+       if (ufshcd_eh_in_progress(hba)) {
+               spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
+               return 0;
+       }
+
+       if (ufshcd_is_clkgating_allowed(hba) &&
+           (hba->clk_gating.state != CLKS_ON)) {
+               if (cancel_delayed_work(&hba->clk_gating.gate_work)) {
+                       /* hold the vote until the scaling work is completed */
+                       hba->clk_gating.active_reqs++;
+                       release_clk_hold = true;
+                       hba->clk_gating.state = CLKS_ON;
+               } else {
+                       /*
+                        * Clock gating work seems to be running in parallel
+                        * hence skip scaling work to avoid deadlock between
+                        * current scaling work and gating work.
+                        */
+                       spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
+                       return 0;
+               }
+       }
+       spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
+
        if (*freq == UINT_MAX)
                err = ufshcd_scale_clks(hba, true);
        else if (*freq == 0)
                err = ufshcd_scale_clks(hba, false);
 
+       spin_lock_irqsave(hba->host->host_lock, irq_flags);
+       if (release_clk_hold)
+               __ufshcd_release(hba);
+       spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
+
        return err;
 }
 
@@ -5673,7 +5731,6 @@ exit_gating:
        ufshcd_exit_clk_gating(hba);
 out_disable:
        hba->is_irq_enabled = false;
-       scsi_host_put(host);
        ufshcd_hba_exit(hba);
 out_error:
        return err;
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index b1ec202099b2..b74de014cef1 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -165,15 +165,29 @@ static inline int tty_put_user(struct tty_struct *tty, 
unsigned char x,
        return put_user(x, ptr);
 }
 
+/* If we are not echoing the data, perhaps this is a secret so erase it */
+static inline void zero_buffer(struct tty_struct *tty, u8 *buffer, int size)
+{
+       bool icanon = !!L_ICANON(tty);
+       bool no_echo = !L_ECHO(tty);
+
+       if (icanon && no_echo)
+               memset(buffer, 0x00, size);
+}
+
 static inline int tty_copy_to_user(struct tty_struct *tty,
                                        void __user *to,
-                                       const void *from,
+                                       void *from,
                                        unsigned long n)
 {
        struct n_tty_data *ldata = tty->disc_data;
+       int retval;
 
        tty_audit_add_data(tty, from, n, ldata->icanon);
-       return copy_to_user(to, from, n);
+       retval = copy_to_user(to, from, n);
+       if (!retval)
+               zero_buffer(tty, from, n);
+       return retval;
 }
 
 /**
@@ -2005,6 +2019,7 @@ static int copy_from_read_buf(struct tty_struct *tty,
                is_eof = n == 1 && read_buf(ldata, tail) == EOF_CHAR(tty);
                tty_audit_add_data(tty, read_buf_addr(ldata, tail), n,
                                ldata->icanon);
+               zero_buffer(tty, read_buf_addr(ldata, tail), n);
                smp_store_release(&ldata->read_tail, ldata->read_tail + n);
                /* Turn single EOF into zero-length read */
                if (L_EXTPROC(tty) && ldata->icanon && is_eof &&
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 8f3566cde3eb..355e9cad680d 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -454,6 +454,8 @@ receive_buf(struct tty_struct *tty, struct tty_buffer 
*head, int count)
                if (count && disc->ops->receive_buf)
                        disc->ops->receive_buf(tty, p, f, count);
        }
+       if (count > 0)
+               memset(p, 0, count);
        return count;
 }
 
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 2facffea2ee0..f7af730aae82 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2757,7 +2757,9 @@ static int hub_port_reset(struct usb_hub *hub, int port1,
                                        USB_PORT_FEAT_C_BH_PORT_RESET);
                        usb_clear_port_feature(hub->hdev, port1,
                                        USB_PORT_FEAT_C_PORT_LINK_STATE);
-                       usb_clear_port_feature(hub->hdev, port1,
+
+                       if (udev)
+                               usb_clear_port_feature(hub->hdev, port1,
                                        USB_PORT_FEAT_C_CONNECTION);
 
                        /*
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index aee29604bd79..5d21cd8359d4 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -744,7 +744,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
                        status |= USB_PORT_STAT_SUSPEND;
        }
        if ((raw_port_status & PORT_PLS_MASK) == XDEV_RESUME &&
-               !DEV_SUPERSPEED_ANY(raw_port_status)) {
+               !DEV_SUPERSPEED_ANY(raw_port_status) && hcd->speed < HCD_USB3) {
                if ((raw_port_status & PORT_RESET) ||
                                !(raw_port_status & PORT_PE))
                        return 0xffffffff;
@@ -790,7 +790,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
                        time_left = wait_for_completion_timeout(
                                        &bus_state->rexit_done[wIndex],
                                        msecs_to_jiffies(
-                                               XHCI_MAX_REXIT_TIMEOUT));
+                                               XHCI_MAX_REXIT_TIMEOUT_MS));
                        spin_lock_irqsave(&xhci->lock, flags);
 
                        if (time_left) {
@@ -804,7 +804,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
                        } else {
                                int port_status = readl(port_array[wIndex]);
                                xhci_warn(xhci, "Port resume took longer than 
%i msec, port status = 0x%x\n",
-                                               XHCI_MAX_REXIT_TIMEOUT,
+                                               XHCI_MAX_REXIT_TIMEOUT_MS,
                                                port_status);
                                status |= USB_PORT_STAT_SUSPEND;
                                clear_bit(wIndex, &bus_state->rexit_ports);
@@ -1298,13 +1298,16 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
        __le32 __iomem **port_array;
        struct xhci_bus_state *bus_state;
        unsigned long flags;
+       u32 portsc_buf[USB_MAXCHILDREN];
+       bool wake_enabled;
 
        max_ports = xhci_get_ports(hcd, &port_array);
        bus_state = &xhci->bus_state[hcd_index(hcd)];
+       wake_enabled = hcd->self.root_hub->do_remote_wakeup;
 
        spin_lock_irqsave(&xhci->lock, flags);
 
-       if (hcd->self.root_hub->do_remote_wakeup) {
+       if (wake_enabled) {
                if (bus_state->resuming_ports ||        /* USB2 */
                    bus_state->port_remote_wakeup) {    /* USB3 */
                        spin_unlock_irqrestore(&xhci->lock, flags);
@@ -1312,26 +1315,36 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
                        return -EBUSY;
                }
        }
-
-       port_index = max_ports;
+       /*
+        * Prepare ports for suspend, but don't write anything before all ports
+        * are checked and we know bus suspend can proceed
+        */
        bus_state->bus_suspended = 0;
+       port_index = max_ports;
        while (port_index--) {
-               /* suspend the port if the port is not suspended */
                u32 t1, t2;
-               int slot_id;
 
                t1 = readl(port_array[port_index]);
                t2 = xhci_port_state_to_neutral(t1);
+               portsc_buf[port_index] = 0;
 
-               if ((t1 & PORT_PE) && !(t1 & PORT_PLS_MASK)) {
-                       xhci_dbg(xhci, "port %d not suspended\n", port_index);
-                       slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-                                       port_index + 1);
-                       if (slot_id) {
+               /* Bail out if a USB3 port has a new device in link training */
+               if ((t1 & PORT_PLS_MASK) == XDEV_POLLING) {
+                       bus_state->bus_suspended = 0;
+                       spin_unlock_irqrestore(&xhci->lock, flags);
+                       xhci_dbg(xhci, "Bus suspend bailout, port in 
polling\n");
+                       return -EBUSY;
+               }
+
+               /* suspend ports in U0, or bail out for new connect changes */
+               if ((t1 & PORT_PE) && (t1 & PORT_PLS_MASK) == XDEV_U0) {
+                       if ((t1 & PORT_CSC) && wake_enabled) {
+                               bus_state->bus_suspended = 0;
                                spin_unlock_irqrestore(&xhci->lock, flags);
-                               xhci_stop_device(xhci, slot_id, 1);
-                               spin_lock_irqsave(&xhci->lock, flags);
+                               xhci_dbg(xhci, "Bus suspend bailout, port 
connect change\n");
+                               return -EBUSY;
                        }
+                       xhci_dbg(xhci, "port %d not suspended\n", port_index);
                        t2 &= ~PORT_PLS_MASK;
                        t2 |= PORT_LINK_STROBE | XDEV_U3;
                        set_bit(port_index, &bus_state->bus_suspended);
@@ -1340,7 +1353,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
                 * including the USB 3.0 roothub, but only if CONFIG_PM
                 * is enabled, so also enable remote wake here.
                 */
-               if (hcd->self.root_hub->do_remote_wakeup) {
+               if (wake_enabled) {
                        if (t1 & PORT_CONNECT) {
                                t2 |= PORT_WKOC_E | PORT_WKDISC_E;
                                t2 &= ~PORT_WKCONN_E;
@@ -1353,7 +1366,26 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 
                t1 = xhci_port_state_to_neutral(t1);
                if (t1 != t2)
-                       writel(t2, port_array[port_index]);
+                       portsc_buf[port_index] = t2;
+       }
+
+       /* write port settings, stopping and suspending ports if needed */
+       port_index = max_ports;
+       while (port_index--) {
+               if (!portsc_buf[port_index])
+                       continue;
+               if (test_bit(port_index, &bus_state->bus_suspended)) {
+                       int slot_id;
+
+                       slot_id = xhci_find_slot_id_by_port(hcd, xhci,
+                                                           port_index + 1);
+                       if (slot_id) {
+                               spin_unlock_irqrestore(&xhci->lock, flags);
+                               xhci_stop_device(xhci, slot_id, 1);
+                               spin_lock_irqsave(&xhci->lock, flags);
+                       }
+               }
+               writel(portsc_buf[port_index], port_array[port_index]);
        }
        hcd->state = HC_STATE_SUSPENDED;
        bus_state->next_statechange = jiffies + msecs_to_jiffies(10);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index ece0787d62bf..845fa426fa0d 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1673,7 +1673,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
         * RExit to a disconnect state).  If so, let the the driver know it's
         * out of the RExit state.
         */
-       if (!DEV_SUPERSPEED_ANY(temp) &&
+       if (!DEV_SUPERSPEED_ANY(temp) && hcd->speed < HCD_USB3 &&
                        test_and_clear_bit(faked_port_index,
                                &bus_state->rexit_ports)) {
                complete(&bus_state->rexit_done[faked_port_index]);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 84d8871755b7..0635cea42e6f 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1490,7 +1490,7 @@ struct xhci_bus_state {
  * It can take up to 20 ms to transition from RExit to U0 on the
  * Intel Lynx Point LP xHCI host.
  */
-#define        XHCI_MAX_REXIT_TIMEOUT  (20 * 1000)
+#define        XHCI_MAX_REXIT_TIMEOUT_MS       20
 
 static inline unsigned int hcd_index(struct usb_hcd *hcd)
 {
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 5cc00e56206e..7d889f56b8e7 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -76,15 +76,6 @@ static inline int dt_type(struct p9_wstat *mistat)
        return rettype;
 }
 
-static void p9stat_init(struct p9_wstat *stbuf)
-{
-       stbuf->name  = NULL;
-       stbuf->uid   = NULL;
-       stbuf->gid   = NULL;
-       stbuf->muid  = NULL;
-       stbuf->extension = NULL;
-}
-
 /**
  * v9fs_alloc_rdir_buf - Allocate buffer used for read and readdir
  * @filp: opened file structure
@@ -145,12 +136,10 @@ static int v9fs_dir_readdir(struct file *file, struct 
dir_context *ctx)
                        rdir->tail = n;
                }
                while (rdir->head < rdir->tail) {
-                       p9stat_init(&st);
                        err = p9stat_read(fid->clnt, rdir->buf + rdir->head,
                                          rdir->tail - rdir->head, &st);
                        if (err) {
                                p9_debug(P9_DEBUG_VFS, "returned %d\n", err);
-                               p9stat_free(&st);
                                return -EIO;
                        }
                        reclen = st.size+2;
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index fdcb4d69f430..4714c55c1ae5 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -350,7 +350,8 @@ static int bfs_fill_super(struct super_block *s, void 
*data, int silent)
 
        s->s_magic = BFS_MAGIC;
 
-       if (le32_to_cpu(bfs_sb->s_start) > le32_to_cpu(bfs_sb->s_end)) {
+       if (le32_to_cpu(bfs_sb->s_start) > le32_to_cpu(bfs_sb->s_end) ||
+           le32_to_cpu(bfs_sb->s_start) < BFS_BSIZE) {
                printf("Superblock is corrupted\n");
                goto out1;
        }
@@ -359,9 +360,11 @@ static int bfs_fill_super(struct super_block *s, void 
*data, int silent)
                                        sizeof(struct bfs_inode)
                                        + BFS_ROOT_INO - 1;
        imap_len = (info->si_lasti / 8) + 1;
-       info->si_imap = kzalloc(imap_len, GFP_KERNEL);
-       if (!info->si_imap)
+       info->si_imap = kzalloc(imap_len, GFP_KERNEL | __GFP_NOWARN);
+       if (!info->si_imap) {
+               printf("Cannot allocate %u bytes\n", imap_len);
                goto out1;
+       }
        for (i = 0; i < BFS_ROOT_INO; i++)
                set_bit(i, info->si_imap);
 
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 80cd28456f08..13ff0fdae03e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -10708,17 +10708,9 @@ int btrfs_trim_fs(struct btrfs_root *root, struct 
fstrim_range *range)
        u64 start;
        u64 end;
        u64 trimmed = 0;
-       u64 total_bytes = btrfs_super_total_bytes(fs_info->super_copy);
        int ret = 0;
 
-       /*
-        * try to trim all FS space, our block group may start from non-zero.
-        */
-       if (range->len == total_bytes)
-               cache = btrfs_lookup_first_block_group(fs_info, range->start);
-       else
-               cache = btrfs_lookup_block_group(fs_info, range->start);
-
+       cache = btrfs_lookup_first_block_group(fs_info, range->start);
        while (cache) {
                if (cache->key.objectid >= (range->start + range->len)) {
                        btrfs_put_block_group(cache);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 150d3c891815..3379490ce54d 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -378,7 +378,6 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, 
void __user *arg)
        struct fstrim_range range;
        u64 minlen = ULLONG_MAX;
        u64 num_devices = 0;
-       u64 total_bytes = btrfs_super_total_bytes(fs_info->super_copy);
        int ret;
 
        if (!capable(CAP_SYS_ADMIN))
@@ -402,11 +401,15 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, 
void __user *arg)
                return -EOPNOTSUPP;
        if (copy_from_user(&range, arg, sizeof(range)))
                return -EFAULT;
-       if (range.start > total_bytes ||
-           range.len < fs_info->sb->s_blocksize)
+
+       /*
+        * NOTE: Don't truncate the range using super->total_bytes.  Bytenr of
+        * block group is in the logical address space, which can be any
+        * sectorsize aligned bytenr in  the range [0, U64_MAX].
+        */
+       if (range.len < fs_info->sb->s_blocksize)
                return -EINVAL;
 
-       range.len = min(range.len, total_bytes - range.start);
        range.minlen = max(range.minlen, minlen);
        ret = btrfs_trim_fs(fs_info->tree_root, &range);
        if (ret < 0)
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index d9178388cf48..de7143e2b361 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -71,13 +71,13 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
        if (!sdp)
                return NULL;
 
-       sb->s_fs_info = sdp;
        sdp->sd_vfs = sb;
        sdp->sd_lkstats = alloc_percpu(struct gfs2_pcpu_lkstats);
        if (!sdp->sd_lkstats) {
                kfree(sdp);
                return NULL;
        }
+       sb->s_fs_info = sdp;
 
        set_bit(SDF_NOJOURNALID, &sdp->sd_flags);
        gfs2_tune_init(&sdp->sd_tune);
diff --git a/fs/namei.c b/fs/namei.c
index de57dd59d95f..40049d61ef37 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -869,6 +869,8 @@ static inline void put_link(struct nameidata *nd)
 
 int sysctl_protected_symlinks __read_mostly = 0;
 int sysctl_protected_hardlinks __read_mostly = 0;
+int sysctl_protected_fifos __read_mostly;
+int sysctl_protected_regular __read_mostly;
 
 /**
  * may_follow_link - Check symlink following for unsafe situations
@@ -982,6 +984,45 @@ static int may_linkat(struct path *link)
        return -EPERM;
 }
 
+/**
+ * may_create_in_sticky - Check whether an O_CREAT open in a sticky directory
+ *                       should be allowed, or not, on files that already
+ *                       exist.
+ * @dir: the sticky parent directory
+ * @inode: the inode of the file to open
+ *
+ * Block an O_CREAT open of a FIFO (or a regular file) when:
+ *   - sysctl_protected_fifos (or sysctl_protected_regular) is enabled
+ *   - the file already exists
+ *   - we are in a sticky directory
+ *   - we don't own the file
+ *   - the owner of the directory doesn't own the file
+ *   - the directory is world writable
+ * If the sysctl_protected_fifos (or sysctl_protected_regular) is set to 2
+ * the directory doesn't have to be world writable: being group writable will
+ * be enough.
+ *
+ * Returns 0 if the open is allowed, -ve on error.
+ */
+static int may_create_in_sticky(struct dentry * const dir,
+                               struct inode * const inode)
+{
+       if ((!sysctl_protected_fifos && S_ISFIFO(inode->i_mode)) ||
+           (!sysctl_protected_regular && S_ISREG(inode->i_mode)) ||
+           likely(!(dir->d_inode->i_mode & S_ISVTX)) ||
+           uid_eq(inode->i_uid, dir->d_inode->i_uid) ||
+           uid_eq(current_fsuid(), inode->i_uid))
+               return 0;
+
+       if (likely(dir->d_inode->i_mode & 0002) ||
+           (dir->d_inode->i_mode & 0020 &&
+            ((sysctl_protected_fifos >= 2 && S_ISFIFO(inode->i_mode)) ||
+             (sysctl_protected_regular >= 2 && S_ISREG(inode->i_mode))))) {
+               return -EACCES;
+       }
+       return 0;
+}
+
 static __always_inline
 const char *get_link(struct nameidata *nd)
 {
@@ -3166,9 +3207,15 @@ finish_open:
                error = -ELOOP;
                goto out;
        }
-       error = -EISDIR;
-       if ((open_flag & O_CREAT) && d_is_dir(nd->path.dentry))
-               goto out;
+       if (open_flag & O_CREAT) {
+               error = -EISDIR;
+               if (d_is_dir(nd->path.dentry))
+                       goto out;
+               error = may_create_in_sticky(dir,
+                                            d_backing_inode(nd->path.dentry));
+               if (unlikely(error))
+                       goto out;
+       }
        error = -ENOTDIR;
        if ((nd->flags & LOOKUP_DIRECTORY) && !d_can_lookup(nd->path.dentry))
                goto out;
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 5f5270941ba0..f7178f44825b 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -154,6 +154,7 @@ void can_change_state(struct net_device *dev, struct 
can_frame *cf,
 
 void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
                      unsigned int idx);
+struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, 
u8 *len_ptr);
 unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx);
 void can_free_echo_skb(struct net_device *dev, unsigned int idx);
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 240cbaee819f..13277d2715df 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -65,6 +65,8 @@ extern struct inodes_stat_t inodes_stat;
 extern int leases_enable, lease_break_time;
 extern int sysctl_protected_symlinks;
 extern int sysctl_protected_hardlinks;
+extern int sysctl_protected_fifos;
+extern int sysctl_protected_regular;
 
 struct buffer_head;
 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
diff --git a/include/linux/of.h b/include/linux/of.h
index dd10626a615f..d9371c9cd88a 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -265,6 +265,8 @@ extern struct device_node *of_get_next_child(const struct 
device_node *node,
 extern struct device_node *of_get_next_available_child(
        const struct device_node *node, struct device_node *prev);
 
+extern struct device_node *of_get_compatible_child(const struct device_node 
*parent,
+                                       const char *compatible);
 extern struct device_node *of_get_child_by_name(const struct device_node *node,
                                        const char *name);
 
@@ -462,6 +464,12 @@ static inline bool of_have_populated_dt(void)
        return false;
 }
 
+static inline struct device_node *of_get_compatible_child(const struct 
device_node *parent,
+                                       const char *compatible)
+{
+       return NULL;
+}
+
 static inline struct device_node *of_get_child_by_name(
                                        const struct device_node *node,
                                        const char *name)
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 77777d918676..cc892a9e109d 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -215,7 +215,7 @@ static char *kdb_read(char *buffer, size_t bufsize)
        int count;
        int i;
        int diag, dtab_count;
-       int key;
+       int key, buf_size, ret;
 
 
        diag = kdbgetintenv("DTABCOUNT", &dtab_count);
@@ -335,9 +335,8 @@ poll_again:
                else
                        p_tmp = tmpbuffer;
                len = strlen(p_tmp);
-               count = kallsyms_symbol_complete(p_tmp,
-                                                sizeof(tmpbuffer) -
-                                                (p_tmp - tmpbuffer));
+               buf_size = sizeof(tmpbuffer) - (p_tmp - tmpbuffer);
+               count = kallsyms_symbol_complete(p_tmp, buf_size);
                if (tab == 2 && count > 0) {
                        kdb_printf("\n%d symbols are found.", count);
                        if (count > dtab_count) {
@@ -349,9 +348,13 @@ poll_again:
                        }
                        kdb_printf("\n");
                        for (i = 0; i < count; i++) {
-                               if (WARN_ON(!kallsyms_symbol_next(p_tmp, i)))
+                               ret = kallsyms_symbol_next(p_tmp, i, buf_size);
+                               if (WARN_ON(!ret))
                                        break;
-                               kdb_printf("%s ", p_tmp);
+                               if (ret != -E2BIG)
+                                       kdb_printf("%s ", p_tmp);
+                               else
+                                       kdb_printf("%s... ", p_tmp);
                                *(p_tmp + len) = '\0';
                        }
                        if (i >= dtab_count)
diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
index 75014d7f4568..533e04e75a9c 100644
--- a/kernel/debug/kdb/kdb_private.h
+++ b/kernel/debug/kdb/kdb_private.h
@@ -83,7 +83,7 @@ typedef struct __ksymtab {
                unsigned long sym_start;
                unsigned long sym_end;
                } kdb_symtab_t;
-extern int kallsyms_symbol_next(char *prefix_name, int flag);
+extern int kallsyms_symbol_next(char *prefix_name, int flag, int buf_size);
 extern int kallsyms_symbol_complete(char *prefix_name, int max_len);
 
 /* Exported Symbols for kernel loadable modules to use. */
diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
index d35cc2d3a4cc..2aed4a33521b 100644
--- a/kernel/debug/kdb/kdb_support.c
+++ b/kernel/debug/kdb/kdb_support.c
@@ -221,11 +221,13 @@ int kallsyms_symbol_complete(char *prefix_name, int 
max_len)
  * Parameters:
  *     prefix_name     prefix of a symbol name to lookup
  *     flag    0 means search from the head, 1 means continue search.
+ *     buf_size        maximum length that can be written to prefix_name
+ *                     buffer
  * Returns:
  *     1 if a symbol matches the given prefix.
  *     0 if no string found
  */
-int kallsyms_symbol_next(char *prefix_name, int flag)
+int kallsyms_symbol_next(char *prefix_name, int flag, int buf_size)
 {
        int prefix_len = strlen(prefix_name);
        static loff_t pos;
@@ -235,10 +237,8 @@ int kallsyms_symbol_next(char *prefix_name, int flag)
                pos = 0;
 
        while ((name = kdb_walk_kallsyms(&pos))) {
-               if (strncmp(name, prefix_name, prefix_len) == 0) {
-                       strncpy(prefix_name, name, strlen(name)+1);
-                       return 1;
-               }
+               if (!strncmp(name, prefix_name, prefix_len))
+                       return strscpy(prefix_name, name, buf_size);
        }
        return 0;
 }
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 4743e1f2a3d1..d0618951014b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3822,8 +3822,8 @@ static int __sched_setscheduler(struct task_struct *p,
        struct rq *rq;
        int reset_on_fork;
 
-       /* may grab non-irq protected spin_locks */
-       BUG_ON(in_interrupt());
+       /* The pi code expects interrupts enabled */
+       BUG_ON(pi && in_interrupt());
 recheck:
        /* double check policy once rq lock held */
        if (policy < 0) {
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 66100d1bc3f7..7e832f9a8f42 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1715,6 +1715,24 @@ static struct ctl_table fs_table[] = {
                .extra1         = &zero,
                .extra2         = &one,
        },
+       {
+               .procname       = "protected_fifos",
+               .data           = &sysctl_protected_fifos,
+               .maxlen         = sizeof(int),
+               .mode           = 0600,
+               .proc_handler   = proc_dointvec_minmax,
+               .extra1         = &zero,
+               .extra2         = &two,
+       },
+       {
+               .procname       = "protected_regular",
+               .data           = &sysctl_protected_regular,
+               .maxlen         = sizeof(int),
+               .mode           = 0600,
+               .proc_handler   = proc_dointvec_minmax,
+               .extra1         = &zero,
+               .extra2         = &two,
+       },
        {
                .procname       = "suid_dumpable",
                .data           = &suid_dumpable,
diff --git a/mm/shmem.c b/mm/shmem.c
index 8e506a45a6ef..d902b413941a 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1818,9 +1818,7 @@ static loff_t shmem_file_llseek(struct file *file, loff_t 
offset, int whence)
        mutex_lock(&inode->i_mutex);
        /* We're holding i_mutex so we can access i_size directly */
 
-       if (offset < 0)
-               offset = -EINVAL;
-       else if (offset >= inode->i_size)
+       if (offset < 0 || offset >= inode->i_size)
                offset = -ENXIO;
        else {
                start = offset >> PAGE_CACHE_SHIFT;
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 83e8a295c806..c153fc2883a8 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -726,7 +726,6 @@ static int llc_ui_recvmsg(struct socket *sock, struct 
msghdr *msg, size_t len,
        struct sk_buff *skb = NULL;
        struct sock *sk = sock->sk;
        struct llc_sock *llc = llc_sk(sk);
-       unsigned long cpu_flags;
        size_t copied = 0;
        u32 peek_seq = 0;
        u32 *seq, skb_len;
@@ -851,9 +850,8 @@ static int llc_ui_recvmsg(struct socket *sock, struct 
msghdr *msg, size_t len,
                        goto copy_uaddr;
 
                if (!(flags & MSG_PEEK)) {
-                       spin_lock_irqsave(&sk->sk_receive_queue.lock, 
cpu_flags);
-                       sk_eat_skb(sk, skb);
-                       spin_unlock_irqrestore(&sk->sk_receive_queue.lock, 
cpu_flags);
+                       skb_unlink(skb, &sk->sk_receive_queue);
+                       kfree_skb(skb);
                        *seq = 0;
                }
 
@@ -874,9 +872,8 @@ copy_uaddr:
                llc_cmsg_rcv(msg, skb);
 
        if (!(flags & MSG_PEEK)) {
-               spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags);
-               sk_eat_skb(sk, skb);
-               spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags);
+               skb_unlink(skb, &sk->sk_receive_queue);
+               kfree_skb(skb);
                *seq = 0;
        }
 
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 120e9ae04db3..a7967af0da82 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3452,6 +3452,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct 
nft_set *set,
                dreg = nft_type_to_reg(set->dtype);
                list_for_each_entry(binding, &set->bindings, list) {
                        struct nft_ctx bind_ctx = {
+                               .net    = ctx->net,
                                .afi    = ctx->afi,
                                .table  = ctx->table,
                                .chain  = (struct nft_chain *)binding->chain,
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index a40b8b0ef0d5..f085b01b6603 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -486,8 +486,9 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
 void sctp_assoc_rm_peer(struct sctp_association *asoc,
                        struct sctp_transport *peer)
 {
-       struct list_head        *pos;
-       struct sctp_transport   *transport;
+       struct sctp_transport *transport;
+       struct list_head *pos;
+       struct sctp_chunk *ch;
 
        pr_debug("%s: association:%p addr:%pISpc\n",
                 __func__, asoc, &peer->ipaddr.sa);
@@ -543,7 +544,6 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
         */
        if (!list_empty(&peer->transmitted)) {
                struct sctp_transport *active = asoc->peer.active_path;
-               struct sctp_chunk *ch;
 
                /* Reset the transport of each chunk on this list */
                list_for_each_entry(ch, &peer->transmitted,
@@ -565,6 +565,10 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
                                sctp_transport_hold(active);
        }
 
+       list_for_each_entry(ch, &asoc->outqueue.out_chunk_list, list)
+               if (ch->transport == peer)
+                       ch->transport = NULL;
+
        asoc->peer.transport_count--;
 
        sctp_transport_free(peer);
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index 41248b1820c7..cc27e38392ea 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -272,13 +272,7 @@ static bool generic_key_to_expire(struct rpc_cred *cred)
 {
        struct auth_cred *acred = &container_of(cred, struct generic_cred,
                                                gc_base)->acred;
-       bool ret;
-
-       get_rpccred(cred);
-       ret = test_bit(RPC_CRED_KEY_EXPIRE_SOON, &acred->ac_flags);
-       put_rpccred(cred);
-
-       return ret;
+       return test_bit(RPC_CRED_KEY_EXPIRE_SOON, &acred->ac_flags);
 }
 
 static const struct rpc_credops generic_credops = {

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