diff --git a/Makefile b/Makefile
index 7a47a2594f95..032751f6be0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 96
+SUBLEVEL = 97
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
@@ -920,12 +920,6 @@ KBUILD_CFLAGS   += $(call 
cc-option,-Werror=designated-init)
 # change __FILE__ to the relative path from the srctree
 KBUILD_CFLAGS  += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
 
-# ensure -fcf-protection is disabled when using retpoline as it is
-# incompatible with -mindirect-branch=thunk-extern
-ifdef CONFIG_RETPOLINE
-KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none)
-endif
-
 include scripts/Makefile.kasan
 include scripts/Makefile.extrawarn
 include scripts/Makefile.ubsan
diff --git a/arch/arm/boot/dts/sun7i-a20-bananapro.dts 
b/arch/arm/boot/dts/sun7i-a20-bananapro.dts
index 01ccff756996..5740f9442705 100644
--- a/arch/arm/boot/dts/sun7i-a20-bananapro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-bananapro.dts
@@ -110,7 +110,7 @@
        pinctrl-names = "default";
        pinctrl-0 = <&gmac_rgmii_pins>;
        phy-handle = <&phy1>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-supply = <&reg_gmac_3v3>;
        status = "okay";
 };
diff --git a/arch/arm/mach-footbridge/dc21285.c 
b/arch/arm/mach-footbridge/dc21285.c
index 8b81a17f675d..e17ec92b90dd 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -66,15 +66,15 @@ dc21285_read_config(struct pci_bus *bus, unsigned int 
devfn, int where,
        if (addr)
                switch (size) {
                case 1:
-                       asm("ldrb       %0, [%1, %2]"
+                       asm volatile("ldrb      %0, [%1, %2]"
                                : "=r" (v) : "r" (addr), "r" (where) : "cc");
                        break;
                case 2:
-                       asm("ldrh       %0, [%1, %2]"
+                       asm volatile("ldrh      %0, [%1, %2]"
                                : "=r" (v) : "r" (addr), "r" (where) : "cc");
                        break;
                case 4:
-                       asm("ldr        %0, [%1, %2]"
+                       asm volatile("ldr       %0, [%1, %2]"
                                : "=r" (v) : "r" (addr), "r" (where) : "cc");
                        break;
                }
@@ -100,17 +100,17 @@ dc21285_write_config(struct pci_bus *bus, unsigned int 
devfn, int where,
        if (addr)
                switch (size) {
                case 1:
-                       asm("strb       %0, [%1, %2]"
+                       asm volatile("strb      %0, [%1, %2]"
                                : : "r" (value), "r" (addr), "r" (where)
                                : "cc");
                        break;
                case 2:
-                       asm("strh       %0, [%1, %2]"
+                       asm volatile("strh      %0, [%1, %2]"
                                : : "r" (value), "r" (addr), "r" (where)
                                : "cc");
                        break;
                case 4:
-                       asm("str        %0, [%1, %2]"
+                       asm volatile("str       %0, [%1, %2]"
                                : : "r" (value), "r" (addr), "r" (where)
                                : "cc");
                        break;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi 
b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 354ef2f3eac6..9533c85fb0a3 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2382,7 +2382,7 @@
                                interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
                                dr_mode = "host";
                                snps,dis_u2_susphy_quirk;
-                               snps,quirk-frame-length-adjustment;
+                               snps,quirk-frame-length-adjustment = <0x20>;
                                snps,parkmode-disable-ss-quirk;
                        };
                };
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi 
b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
index d4c1da3d4bde..04d4b1b11a00 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -304,7 +304,7 @@
 
                dcfg: dcfg@1ee0000 {
                        compatible = "fsl,ls1046a-dcfg", "syscon";
-                       reg = <0x0 0x1ee0000 0x0 0x10000>;
+                       reg = <0x0 0x1ee0000 0x0 0x1000>;
                        big-endian;
                };
 
diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts 
b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index f539b3655f6b..e638f216dbfb 100644
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -243,6 +243,8 @@
 &i2c3 {
        status = "okay";
        clock-frequency = <400000>;
+       /* Overwrite pinctrl-0 from sdm845.dtsi */
+       pinctrl-0 = <&qup_i2c3_default &i2c3_hid_active>;
 
        tsel: hid@15 {
                compatible = "hid-over-i2c";
@@ -250,9 +252,6 @@
                hid-descr-addr = <0x1>;
 
                interrupts-extended = <&tlmm 37 IRQ_TYPE_LEVEL_HIGH>;
-
-               pinctrl-names = "default";
-               pinctrl-0 = <&i2c3_hid_active>;
        };
 
        tsc2: hid@2c {
@@ -261,11 +260,6 @@
                hid-descr-addr = <0x20>;
 
                interrupts-extended = <&tlmm 37 IRQ_TYPE_LEVEL_HIGH>;
-
-               pinctrl-names = "default";
-               pinctrl-0 = <&i2c3_hid_active>;
-
-               status = "disabled";
        };
 };
 
diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi 
b/arch/arm64/boot/dts/rockchip/px30.dtsi
index 9e09909a510a..98b014a8f916 100644
--- a/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -860,7 +860,7 @@
        vopl_mmu: iommu@ff470f00 {
                compatible = "rockchip,iommu";
                reg = <0x0 0xff470f00 0x0 0x100>;
-               interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+               interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
                interrupt-names = "vopl_mmu";
                clocks = <&cru ACLK_VOPL>, <&cru HCLK_VOPL>;
                clock-names = "aclk", "hclk";
diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c
index 179b41ad63ba..18618af3835f 100644
--- a/arch/um/drivers/virtio_uml.c
+++ b/arch/um/drivers/virtio_uml.c
@@ -959,6 +959,7 @@ static void virtio_uml_release_dev(struct device *d)
        }
 
        os_close_file(vu_dev->sock);
+       kfree(vu_dev);
 }
 
 /* Platform device */
@@ -977,7 +978,7 @@ static int virtio_uml_probe(struct platform_device *pdev)
        if (!pdata)
                return -EINVAL;
 
-       vu_dev = devm_kzalloc(&pdev->dev, sizeof(*vu_dev), GFP_KERNEL);
+       vu_dev = kzalloc(sizeof(*vu_dev), GFP_KERNEL);
        if (!vu_dev)
                return -ENOMEM;
 
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 94df0868804b..b5e3bfd4face 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -131,6 +131,9 @@ else
 
         KBUILD_CFLAGS += -mno-red-zone
         KBUILD_CFLAGS += -mcmodel=kernel
+
+       # Intel CET isn't enabled in the kernel
+       KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none)
 endif
 
 ifdef CONFIG_X86_X32
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 6016559ed171..5bef1575708d 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -197,16 +197,6 @@ static inline bool apic_needs_pit(void) { return true; }
 #endif /* !CONFIG_X86_LOCAL_APIC */
 
 #ifdef CONFIG_X86_X2APIC
-/*
- * Make previous memory operations globally visible before
- * sending the IPI through x2apic wrmsr. We need a serializing instruction or
- * mfence for this.
- */
-static inline void x2apic_wrmsr_fence(void)
-{
-       asm volatile("mfence" : : : "memory");
-}
-
 static inline void native_apic_msr_write(u32 reg, u32 v)
 {
        if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR ||
diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
index 7f828fe49797..4819d5e5a335 100644
--- a/arch/x86/include/asm/barrier.h
+++ b/arch/x86/include/asm/barrier.h
@@ -84,4 +84,22 @@ do {                                                         
        \
 
 #include <asm-generic/barrier.h>
 
+/*
+ * Make previous memory operations globally visible before
+ * a WRMSR.
+ *
+ * MFENCE makes writes visible, but only affects load/store
+ * instructions.  WRMSR is unfortunately not a load/store
+ * instruction and is unaffected by MFENCE.  The LFENCE ensures
+ * that the WRMSR is not reordered.
+ *
+ * Most WRMSRs are full serializing instructions themselves and
+ * do not require this barrier.  This is only required for the
+ * IA32_TSC_DEADLINE and X2APIC MSRs.
+ */
+static inline void weak_wrmsr_fence(void)
+{
+       asm volatile("mfence; lfence" : : : "memory");
+}
+
 #endif /* _ASM_X86_BARRIER_H */
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 06fa808d7203..3dca7b8642e9 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -42,6 +42,7 @@
 #include <asm/x86_init.h>
 #include <asm/pgalloc.h>
 #include <linux/atomic.h>
+#include <asm/barrier.h>
 #include <asm/mpspec.h>
 #include <asm/i8259.h>
 #include <asm/proto.h>
@@ -472,6 +473,9 @@ static int lapic_next_deadline(unsigned long delta,
 {
        u64 tsc;
 
+       /* This MSR is special and need a special fence: */
+       weak_wrmsr_fence();
+
        tsc = rdtsc();
        wrmsrl(MSR_IA32_TSC_DEADLINE, tsc + (((u64) delta) * TSC_DIVISOR));
        return 0;
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c 
b/arch/x86/kernel/apic/x2apic_cluster.c
index b0889c48a2ac..7eec3c154fa2 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -29,7 +29,8 @@ static void x2apic_send_IPI(int cpu, int vector)
 {
        u32 dest = per_cpu(x86_cpu_to_logical_apicid, cpu);
 
-       x2apic_wrmsr_fence();
+       /* x2apic MSRs are special and need a special fence: */
+       weak_wrmsr_fence();
        __x2apic_send_IPI_dest(dest, vector, APIC_DEST_LOGICAL);
 }
 
@@ -41,7 +42,8 @@ __x2apic_send_IPI_mask(const struct cpumask *mask, int 
vector, int apic_dest)
        unsigned long flags;
        u32 dest;
 
-       x2apic_wrmsr_fence();
+       /* x2apic MSRs are special and need a special fence: */
+       weak_wrmsr_fence();
        local_irq_save(flags);
 
        tmpmsk = this_cpu_cpumask_var_ptr(ipi_mask);
diff --git a/arch/x86/kernel/apic/x2apic_phys.c 
b/arch/x86/kernel/apic/x2apic_phys.c
index e14eae6d6ea7..032a00e5d9fa 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -43,7 +43,8 @@ static void x2apic_send_IPI(int cpu, int vector)
 {
        u32 dest = per_cpu(x86_cpu_to_apicid, cpu);
 
-       x2apic_wrmsr_fence();
+       /* x2apic MSRs are special and need a special fence: */
+       weak_wrmsr_fence();
        __x2apic_send_IPI_dest(dest, vector, APIC_DEST_PHYSICAL);
 }
 
@@ -54,7 +55,8 @@ __x2apic_send_IPI_mask(const struct cpumask *mask, int 
vector, int apic_dest)
        unsigned long this_cpu;
        unsigned long flags;
 
-       x2apic_wrmsr_fence();
+       /* x2apic MSRs are special and need a special fence: */
+       weak_wrmsr_fence();
 
        local_irq_save(flags);
 
@@ -125,7 +127,8 @@ void __x2apic_send_IPI_shorthand(int vector, u32 which)
 {
        unsigned long cfg = __prepare_ICR(which, vector, 0);
 
-       x2apic_wrmsr_fence();
+       /* x2apic MSRs are special and need a special fence: */
+       weak_wrmsr_fence();
        native_x2apic_icr_write(cfg, 0);
 }
 
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 39265b55929d..60c8dcb907a5 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2890,6 +2890,8 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
        ops->get_msr(ctxt, MSR_IA32_SYSENTER_ESP, &msr_data);
        *reg_write(ctxt, VCPU_REGS_RSP) = (efer & EFER_LMA) ? msr_data :
                                                              (u32)msr_data;
+       if (efer & EFER_LMA)
+               ctxt->mode = X86EMUL_MODE_PROT64;
 
        return X86EMUL_CONTINUE;
 }
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2b506904be02..4906e480b5bb 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -889,6 +889,11 @@ static int has_svm(void)
                return 0;
        }
 
+       if (sev_active()) {
+               pr_info("KVM is unsupported when running as an SEV guest\n");
+               return 0;
+       }
+
        return 1;
 }
 
diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c
index 9268c12458c8..dfa01bcdc369 100644
--- a/arch/x86/mm/mem_encrypt.c
+++ b/arch/x86/mm/mem_encrypt.c
@@ -375,6 +375,7 @@ bool force_dma_unencrypted(struct device *dev)
 
        return false;
 }
+EXPORT_SYMBOL_GPL(sev_active);
 
 /* Architecture __weak replacement functions */
 void __init mem_encrypt_free_decrypted_mem(void)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index d2dd387c95d8..de06ee7d2ad4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1434,8 +1434,6 @@ amdgpu_dm_update_connector_after_detect(struct 
amdgpu_dm_connector *aconnector)
 
                        drm_connector_update_edid_property(connector,
                                                           aconnector->edid);
-                       drm_add_edid_modes(connector, aconnector->edid);
-
                        if (aconnector->dc_link->aux_mode)
                                drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
                                                    aconnector->edid);
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 8c73377ac82c..3d004ca76b6e 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -215,9 +215,17 @@ static const struct xpad_device {
        { 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, 0x02a0, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02a1, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02a2, "PDP Wired Controller for Xbox One - Crimson Red", 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, 0x02a7, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02a8, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02ad, "PDP Wired Controller for Xbox One - Stealth Series", 
0, XTYPE_XBOXONE },
+       { 0x0e6f, 0x02b3, "Afterglow Prismatic Wired Controller", 0, 
XTYPE_XBOXONE },
+       { 0x0e6f, 0x02b8, "Afterglow Prismatic Wired Controller", 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 },
@@ -296,6 +304,9 @@ static const struct xpad_device {
        { 0x1bad, 0xfa01, "MadCatz GamePad", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xfd00, "Razer Onza TE", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xfd01, "Razer Onza", 0, XTYPE_XBOX360 },
+       { 0x20d6, 0x2001, "BDA Xbox Series X Wired Controller", 0, 
XTYPE_XBOXONE },
+       { 0x20d6, 0x281f, "PowerA Wired Controller For Xbox 360", 0, 
XTYPE_XBOX360 },
+       { 0x2e24, 0x0652, "Hyperkin Duke X-Box One pad", 0, XTYPE_XBOXONE },
        { 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 },
@@ -429,8 +440,12 @@ static const struct usb_device_id xpad_table[] = {
        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(0x20d6),            /* PowerA Controllers */
+       XPAD_XBOXONE_VENDOR(0x20d6),            /* PowerA Controllers */
        XPAD_XBOX360_VENDOR(0x24c6),            /* PowerA Controllers */
        XPAD_XBOXONE_VENDOR(0x24c6),            /* PowerA Controllers */
+       XPAD_XBOXONE_VENDOR(0x2e24),            /* Hyperkin Duke X-Box One pad 
*/
+       XPAD_XBOX360_VENDOR(0x2f24),            /* GameSir Controllers */
        { }
 };
 
diff --git a/drivers/input/serio/i8042-x86ia64io.h 
b/drivers/input/serio/i8042-x86ia64io.h
index eca931da76c3..b7dbcbac3a1a 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -219,6 +219,8 @@ static const struct dmi_system_id __initconst 
i8042_dmi_noloop_table[] = {
                        DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
                        DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
                },
+       },
+       {
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
                        DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 984c7a6ea4fe..953d86ca6d2b 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3285,6 +3285,12 @@ static int __init init_dmars(void)
 
                if (!ecap_pass_through(iommu->ecap))
                        hw_pass_through = 0;
+
+               if (!intel_iommu_strict && cap_caching_mode(iommu->cap)) {
+                       pr_info("Disable batched IOTLB flush due to 
virtualization");
+                       intel_iommu_strict = 1;
+               }
+
 #ifdef CONFIG_INTEL_IOMMU_SVM
                if (pasid_supported(iommu))
                        intel_svm_init(iommu);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index ec5dfb7ae4e1..cc38530804c9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -538,8 +538,10 @@ static void md_submit_flush_data(struct work_struct *ws)
         * could wait for this and below md_handle_request could wait for those
         * bios because of suspend check
         */
+       spin_lock_irq(&mddev->lock);
        mddev->last_flush = mddev->start_flush;
        mddev->flush_bio = NULL;
+       spin_unlock_irq(&mddev->lock);
        wake_up(&mddev->sb_wait);
 
        if (bio->bi_iter.bi_size == 0) {
diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
index 3efaa9534a77..9a5aaac29099 100644
--- a/drivers/mmc/core/sdio_cis.c
+++ b/drivers/mmc/core/sdio_cis.c
@@ -20,6 +20,8 @@
 #include "sdio_cis.h"
 #include "sdio_ops.h"
 
+#define SDIO_READ_CIS_TIMEOUT_MS  (10 * 1000) /* 10s */
+
 static int cistpl_vers_1(struct mmc_card *card, struct sdio_func *func,
                         const unsigned char *buf, unsigned size)
 {
@@ -266,6 +268,8 @@ static int sdio_read_cis(struct mmc_card *card, struct 
sdio_func *func)
 
        do {
                unsigned char tpl_code, tpl_link;
+               unsigned long timeout = jiffies +
+                       msecs_to_jiffies(SDIO_READ_CIS_TIMEOUT_MS);
 
                ret = mmc_io_rw_direct(card, 0, 0, ptr++, 0, &tpl_code);
                if (ret)
@@ -318,6 +322,8 @@ static int sdio_read_cis(struct mmc_card *card, struct 
sdio_func *func)
                        prev = &this->next;
 
                        if (ret == -ENOENT) {
+                               if (time_after(jiffies, timeout))
+                                       break;
                                /* warn about unknown tuples */
                                pr_warn_ratelimited("%s: queuing unknown"
                                       " CIS tuple 0x%02x (%u bytes)\n",
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 469b155df488..1af09fd3fed1 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1517,7 +1517,11 @@ static int mv88e6xxx_port_db_load_purge(struct 
mv88e6xxx_chip *chip, int port,
                if (!entry.portvec)
                        entry.state = 0;
        } else {
-               entry.portvec |= BIT(port);
+               if (state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC)
+                       entry.portvec = BIT(port);
+               else
+                       entry.portvec |= BIT(port);
+
                entry.state = state;
        }
 
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c 
b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index c20dc689698e..5acd599d6b9a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -55,12 +55,7 @@ static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
 
        pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
        pfe.severity = PF_EVENT_SEVERITY_INFO;
-
-       /* Always report link is down if the VF queues aren't enabled */
-       if (!vf->queues_enabled) {
-               pfe.event_data.link_event.link_status = false;
-               pfe.event_data.link_event.link_speed = 0;
-       } else if (vf->link_forced) {
+       if (vf->link_forced) {
                pfe.event_data.link_event.link_status = vf->link_up;
                pfe.event_data.link_event.link_speed =
                        (vf->link_up ? VIRTCHNL_LINK_SPEED_40GB : 0);
@@ -70,7 +65,6 @@ static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
                pfe.event_data.link_event.link_speed =
                        i40e_virtchnl_link_speed(ls->link_speed);
        }
-
        i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT,
                               0, (u8 *)&pfe, sizeof(pfe), NULL);
 }
@@ -2393,8 +2387,6 @@ static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, 
u8 *msg)
                }
        }
 
-       vf->queues_enabled = true;
-
 error_param:
        /* send the response to the VF */
        return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES,
@@ -2416,9 +2408,6 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, 
u8 *msg)
        struct i40e_pf *pf = vf->pf;
        i40e_status aq_ret = 0;
 
-       /* Immediately mark queues as disabled */
-       vf->queues_enabled = false;
-
        if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
                aq_ret = I40E_ERR_PARAM;
                goto error_param;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h 
b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
index 7164b9bb294f..f65cc0c16550 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
@@ -99,7 +99,6 @@ struct i40e_vf {
        unsigned int tx_rate;   /* Tx bandwidth limit in Mbps */
        bool link_forced;
        bool link_up;           /* only valid if VF link is forced */
-       bool queues_enabled;    /* true if the VF queues are enabled */
        bool spoofchk;
        u16 num_mac;
        u16 num_vlan;
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c 
b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index 0303eeb76050..0365bf2b480e 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1709,7 +1709,8 @@ static int igc_get_link_ksettings(struct net_device 
*netdev,
                                                     Asym_Pause);
        }
 
-       status = rd32(IGC_STATUS);
+       status = pm_runtime_suspended(&adapter->pdev->dev) ?
+                0 : rd32(IGC_STATUS);
 
        if (status & IGC_STATUS_LU) {
                if (status & IGC_STATUS_SPEED_1000) {
diff --git a/drivers/net/ethernet/intel/igc/igc_i225.c 
b/drivers/net/ethernet/intel/igc/igc_i225.c
index c25f555aaf82..ed5d09c11c38 100644
--- a/drivers/net/ethernet/intel/igc/igc_i225.c
+++ b/drivers/net/ethernet/intel/igc/igc_i225.c
@@ -219,9 +219,9 @@ static s32 igc_write_nvm_srwr(struct igc_hw *hw, u16 
offset, u16 words,
                              u16 *data)
 {
        struct igc_nvm_info *nvm = &hw->nvm;
+       s32 ret_val = -IGC_ERR_NVM;
        u32 attempts = 100000;
        u32 i, k, eewr = 0;
-       s32 ret_val = 0;
 
        /* A check for invalid values:  offset too large, too many words,
         * too many words for the offset, and not enough words.
@@ -229,7 +229,6 @@ static s32 igc_write_nvm_srwr(struct igc_hw *hw, u16 
offset, u16 words,
        if (offset >= nvm->word_size || (words > (nvm->word_size - offset)) ||
            words == 0) {
                hw_dbg("nvm parameter(s) out of bounds\n");
-               ret_val = -IGC_ERR_NVM;
                goto out;
        }
 
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c 
b/drivers/net/ethernet/intel/igc/igc_mac.c
index 5eeb4c8caf4a..08adf103e90b 100644
--- a/drivers/net/ethernet/intel/igc/igc_mac.c
+++ b/drivers/net/ethernet/intel/igc/igc_mac.c
@@ -647,7 +647,7 @@ s32 igc_config_fc_after_link_up(struct igc_hw *hw)
        }
 
 out:
-       return 0;
+       return ret_val;
 }
 
 /**
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c 
b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c
index a30eb90ba3d2..dd590086fe6a 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c
@@ -29,16 +29,16 @@ static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct 
mvpp2_prs_entry *pe)
        /* Clear entry invalidation bit */
        pe->tcam[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK;
 
-       /* Write tcam index - indirect access */
-       mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
-       for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
-               mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam[i]);
-
        /* Write sram index - indirect access */
        mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index);
        for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++)
                mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram[i]);
 
+       /* Write tcam index - indirect access */
+       mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index);
+       for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++)
+               mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam[i]);
+
        return 0;
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c 
b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 4944c40436f0..11e12761b0a6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1697,6 +1697,7 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft,
                if (!fte_tmp)
                        continue;
                rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte_tmp);
+               /* No error check needed here, because insert_fte() is not 
called */
                up_write_ref_node(&fte_tmp->node, false);
                tree_put_node(&fte_tmp->node, false);
                kmem_cache_free(steering->ftes_cache, fte);
@@ -1745,6 +1746,8 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft,
                up_write_ref_node(&g->node, false);
                rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte);
                up_write_ref_node(&fte->node, false);
+               if (IS_ERR(rule))
+                       tree_put_node(&fte->node, false);
                return rule;
        }
        rule = ERR_PTR(-ENOENT);
@@ -1844,6 +1847,8 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft,
        up_write_ref_node(&g->node, false);
        rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte);
        up_write_ref_node(&fte->node, false);
+       if (IS_ERR(rule))
+               tree_put_node(&fte->node, false);
        tree_put_node(&g->node, false);
        return rule;
 
diff --git a/drivers/net/ethernet/realtek/r8169_main.c 
b/drivers/net/ethernet/realtek/r8169_main.c
index 366ca1b5da5c..1e8244ec5b33 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -6419,10 +6419,10 @@ static int rtl8169_close(struct net_device *dev)
 
        cancel_work_sync(&tp->wk.work);
 
-       phy_disconnect(tp->phydev);
-
        free_irq(pci_irq_vector(pdev, 0), tp);
 
+       phy_disconnect(tp->phydev);
+
        dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
                          tp->RxPhyAddr);
        dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c 
b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index c54fe6650018..7272d8522a9e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -134,7 +134,14 @@ static int iwl_configure_rxq(struct iwl_mvm *mvm)
                .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
        };
 
-       /* Do not configure default queue, it is configured via context info */
+       /*
+        * The default queue is configured via context info, so if we
+        * have a single queue, there's nothing to do here.
+        */
+       if (mvm->trans->num_rx_queues == 1)
+               return 0;
+
+       /* skip the default queue */
        num_queues = mvm->trans->num_rx_queues - 1;
 
        size = struct_size(cmd, data, num_queues);
diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c
index 196aa44c4936..e0f411021c59 100644
--- a/drivers/nvdimm/dimm_devs.c
+++ b/drivers/nvdimm/dimm_devs.c
@@ -344,16 +344,16 @@ static ssize_t state_show(struct device *dev, struct 
device_attribute *attr,
 }
 static DEVICE_ATTR_RO(state);
 
-static ssize_t available_slots_show(struct device *dev,
-               struct device_attribute *attr, char *buf)
+static ssize_t __available_slots_show(struct nvdimm_drvdata *ndd, char *buf)
 {
-       struct nvdimm_drvdata *ndd = dev_get_drvdata(dev);
+       struct device *dev;
        ssize_t rc;
        u32 nfree;
 
        if (!ndd)
                return -ENXIO;
 
+       dev = ndd->dev;
        nvdimm_bus_lock(dev);
        nfree = nd_label_nfree(ndd);
        if (nfree - 1 > nfree) {
@@ -365,6 +365,18 @@ static ssize_t available_slots_show(struct device *dev,
        nvdimm_bus_unlock(dev);
        return rc;
 }
+
+static ssize_t available_slots_show(struct device *dev,
+                                   struct device_attribute *attr, char *buf)
+{
+       ssize_t rc;
+
+       nd_device_lock(dev);
+       rc = __available_slots_show(dev_get_drvdata(dev), buf);
+       nd_device_unlock(dev);
+
+       return rc;
+}
 static DEVICE_ATTR_RO(available_slots);
 
 __weak ssize_t security_show(struct device *dev,
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index ef93bd3ed339..434d3f21f0e1 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3161,6 +3161,8 @@ static const struct pci_device_id nvme_id_table[] = {
        { PCI_DEVICE(0x1c5c, 0x1504),   /* SK Hynix PC400 */
                .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
        { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
+       { PCI_DEVICE(0x2646, 0x2263),   /* KINGSTON A2000 NVMe SSD  */
+               .driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
        { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001),
                .driver_data = NVME_QUIRK_SINGLE_VECTOR },
        { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2003) },
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index e31823f19a0f..9242224156f5 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -292,7 +292,7 @@ static void nvmet_tcp_map_pdu_iovec(struct nvmet_tcp_cmd 
*cmd)
        length = cmd->pdu_len;
        cmd->nr_mapped = DIV_ROUND_UP(length, PAGE_SIZE);
        offset = cmd->rbytes_done;
-       cmd->sg_idx = DIV_ROUND_UP(offset, PAGE_SIZE);
+       cmd->sg_idx = offset / PAGE_SIZE;
        sg_offset = offset % PAGE_SIZE;
        sg = &cmd->req.sg[cmd->sg_idx];
 
@@ -305,6 +305,7 @@ static void nvmet_tcp_map_pdu_iovec(struct nvmet_tcp_cmd 
*cmd)
                length -= iov_len;
                sg = sg_next(sg);
                iov++;
+               sg_offset = 0;
        }
 
        iov_iter_kvec(&cmd->recv_msg.msg_iter, READ, cmd->iov,
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 134dc2005ce9..c9f6e9758288 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -1329,14 +1329,17 @@ static int usblp_set_protocol(struct usblp *usblp, int 
protocol)
        if (protocol < USBLP_FIRST_PROTOCOL || protocol > USBLP_LAST_PROTOCOL)
                return -EINVAL;
 
-       alts = usblp->protocol[protocol].alt_setting;
-       if (alts < 0)
-               return -EINVAL;
-       r = usb_set_interface(usblp->dev, usblp->ifnum, alts);
-       if (r < 0) {
-               printk(KERN_ERR "usblp: can't set desired altsetting %d on 
interface %d\n",
-                       alts, usblp->ifnum);
-               return r;
+       /* Don't unnecessarily set the interface if there's a single alt. */
+       if (usblp->intf->num_altsetting > 1) {
+               alts = usblp->protocol[protocol].alt_setting;
+               if (alts < 0)
+                       return -EINVAL;
+               r = usb_set_interface(usblp->dev, usblp->ifnum, alts);
+               if (r < 0) {
+                       printk(KERN_ERR "usblp: can't set desired altsetting %d 
on interface %d\n",
+                               alts, usblp->ifnum);
+                       return r;
+               }
        }
 
        usblp->bidir = (usblp->protocol[protocol].epread != NULL);
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 70ac47a341ac..e3f1f20c4922 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1543,7 +1543,6 @@ static void dwc2_hsotg_complete_oursetup(struct usb_ep 
*ep,
 static struct dwc2_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg,
                                            u32 windex)
 {
-       struct dwc2_hsotg_ep *ep;
        int dir = (windex & USB_DIR_IN) ? 1 : 0;
        int idx = windex & 0x7F;
 
@@ -1553,12 +1552,7 @@ static struct dwc2_hsotg_ep *ep_from_windex(struct 
dwc2_hsotg *hsotg,
        if (idx > hsotg->num_of_eps)
                return NULL;
 
-       ep = index_to_ep(hsotg, idx, dir);
-
-       if (idx && ep->dir_in != dir)
-               return NULL;
-
-       return ep;
+       return index_to_ep(hsotg, idx, dir);
 }
 
 /**
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 440dbf55ddf7..90ec65d31059 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1718,7 +1718,7 @@ static int dwc3_resume_common(struct dwc3 *dwc, 
pm_message_t msg)
                if (PMSG_IS_AUTO(msg))
                        break;
 
-               ret = dwc3_core_init(dwc);
+               ret = dwc3_core_init_for_resume(dwc);
                if (ret)
                        return ret;
 
diff --git a/drivers/usb/gadget/legacy/ether.c 
b/drivers/usb/gadget/legacy/ether.c
index 30313b233680..99c7fc0d1d59 100644
--- a/drivers/usb/gadget/legacy/ether.c
+++ b/drivers/usb/gadget/legacy/ether.c
@@ -403,8 +403,10 @@ static int eth_bind(struct usb_composite_dev *cdev)
                struct usb_descriptor_header *usb_desc;
 
                usb_desc = usb_otg_descriptor_alloc(gadget);
-               if (!usb_desc)
+               if (!usb_desc) {
+                       status = -ENOMEM;
                        goto fail1;
+               }
                usb_otg_descriptor_init(gadget, usb_desc);
                otg_desc[0] = usb_desc;
                otg_desc[1] = NULL;
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index 45c54d56ecbd..b45e5bf08997 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -200,6 +200,8 @@ static struct mu3h_sch_ep_info *create_sch_ep(struct 
usb_device *udev,
 
        sch_ep->sch_tt = tt;
        sch_ep->ep = ep;
+       INIT_LIST_HEAD(&sch_ep->endpoint);
+       INIT_LIST_HEAD(&sch_ep->tt_endpoint);
 
        return sch_ep;
 }
@@ -373,6 +375,7 @@ static void update_bus_bw(struct mu3h_sch_bw_info *sch_bw,
                                        sch_ep->bw_budget_table[j];
                }
        }
+       sch_ep->allocated = used;
 }
 
 static int check_sch_tt(struct usb_device *udev,
@@ -541,6 +544,22 @@ static int check_sch_bw(struct usb_device *udev,
        return 0;
 }
 
+static void destroy_sch_ep(struct usb_device *udev,
+       struct mu3h_sch_bw_info *sch_bw, struct mu3h_sch_ep_info *sch_ep)
+{
+       /* only release ep bw check passed by check_sch_bw() */
+       if (sch_ep->allocated)
+               update_bus_bw(sch_bw, sch_ep, 0);
+
+       list_del(&sch_ep->endpoint);
+
+       if (sch_ep->sch_tt) {
+               list_del(&sch_ep->tt_endpoint);
+               drop_tt(udev);
+       }
+       kfree(sch_ep);
+}
+
 static bool need_bw_sch(struct usb_host_endpoint *ep,
        enum usb_device_speed speed, int has_tt)
 {
@@ -583,6 +602,8 @@ int xhci_mtk_sch_init(struct xhci_hcd_mtk *mtk)
 
        mtk->sch_array = sch_array;
 
+       INIT_LIST_HEAD(&mtk->bw_ep_chk_list);
+
        return 0;
 }
 EXPORT_SYMBOL_GPL(xhci_mtk_sch_init);
@@ -601,19 +622,14 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct 
usb_device *udev,
        struct xhci_ep_ctx *ep_ctx;
        struct xhci_slot_ctx *slot_ctx;
        struct xhci_virt_device *virt_dev;
-       struct mu3h_sch_bw_info *sch_bw;
        struct mu3h_sch_ep_info *sch_ep;
-       struct mu3h_sch_bw_info *sch_array;
        unsigned int ep_index;
-       int bw_index;
-       int ret = 0;
 
        xhci = hcd_to_xhci(hcd);
        virt_dev = xhci->devs[udev->slot_id];
        ep_index = xhci_get_endpoint_index(&ep->desc);
        slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx);
        ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
-       sch_array = mtk->sch_array;
 
        xhci_dbg(xhci, "%s() type:%d, speed:%d, mpkt:%d, dir:%d, ep:%p\n",
                __func__, usb_endpoint_type(&ep->desc), udev->speed,
@@ -632,35 +648,13 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct 
usb_device *udev,
                return 0;
        }
 
-       bw_index = get_bw_index(xhci, udev, ep);
-       sch_bw = &sch_array[bw_index];
-
        sch_ep = create_sch_ep(udev, ep, ep_ctx);
        if (IS_ERR_OR_NULL(sch_ep))
                return -ENOMEM;
 
        setup_sch_info(udev, ep_ctx, sch_ep);
 
-       ret = check_sch_bw(udev, sch_bw, sch_ep);
-       if (ret) {
-               xhci_err(xhci, "Not enough bandwidth!\n");
-               if (is_fs_or_ls(udev->speed))
-                       drop_tt(udev);
-
-               kfree(sch_ep);
-               return -ENOSPC;
-       }
-
-       list_add_tail(&sch_ep->endpoint, &sch_bw->bw_ep_list);
-
-       ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(sch_ep->pkts)
-               | EP_BCSCOUNT(sch_ep->cs_count) | EP_BBM(sch_ep->burst_mode));
-       ep_ctx->reserved[1] |= cpu_to_le32(EP_BOFFSET(sch_ep->offset)
-               | EP_BREPEAT(sch_ep->repeat));
-
-       xhci_dbg(xhci, " PKTS:%x, CSCOUNT:%x, BM:%x, OFFSET:%x, REPEAT:%x\n",
-                       sch_ep->pkts, sch_ep->cs_count, sch_ep->burst_mode,
-                       sch_ep->offset, sch_ep->repeat);
+       list_add_tail(&sch_ep->endpoint, &mtk->bw_ep_chk_list);
 
        return 0;
 }
@@ -675,7 +669,7 @@ void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct 
usb_device *udev,
        struct xhci_virt_device *virt_dev;
        struct mu3h_sch_bw_info *sch_array;
        struct mu3h_sch_bw_info *sch_bw;
-       struct mu3h_sch_ep_info *sch_ep;
+       struct mu3h_sch_ep_info *sch_ep, *tmp;
        int bw_index;
 
        xhci = hcd_to_xhci(hcd);
@@ -694,17 +688,79 @@ void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct 
usb_device *udev,
        bw_index = get_bw_index(xhci, udev, ep);
        sch_bw = &sch_array[bw_index];
 
-       list_for_each_entry(sch_ep, &sch_bw->bw_ep_list, endpoint) {
+       list_for_each_entry_safe(sch_ep, tmp, &sch_bw->bw_ep_list, endpoint) {
                if (sch_ep->ep == ep) {
-                       update_bus_bw(sch_bw, sch_ep, 0);
-                       list_del(&sch_ep->endpoint);
-                       if (is_fs_or_ls(udev->speed)) {
-                               list_del(&sch_ep->tt_endpoint);
-                               drop_tt(udev);
-                       }
-                       kfree(sch_ep);
+                       destroy_sch_ep(udev, sch_bw, sch_ep);
                        break;
                }
        }
 }
 EXPORT_SYMBOL_GPL(xhci_mtk_drop_ep_quirk);
+
+int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
+{
+       struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
+       struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+       struct xhci_virt_device *virt_dev = xhci->devs[udev->slot_id];
+       struct mu3h_sch_bw_info *sch_bw;
+       struct mu3h_sch_ep_info *sch_ep, *tmp;
+       int bw_index, ret;
+
+       xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
+
+       list_for_each_entry(sch_ep, &mtk->bw_ep_chk_list, endpoint) {
+               bw_index = get_bw_index(xhci, udev, sch_ep->ep);
+               sch_bw = &mtk->sch_array[bw_index];
+
+               ret = check_sch_bw(udev, sch_bw, sch_ep);
+               if (ret) {
+                       xhci_err(xhci, "Not enough bandwidth!\n");
+                       return -ENOSPC;
+               }
+       }
+
+       list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint) {
+               struct xhci_ep_ctx *ep_ctx;
+               struct usb_host_endpoint *ep = sch_ep->ep;
+               unsigned int ep_index = xhci_get_endpoint_index(&ep->desc);
+
+               bw_index = get_bw_index(xhci, udev, ep);
+               sch_bw = &mtk->sch_array[bw_index];
+
+               list_move_tail(&sch_ep->endpoint, &sch_bw->bw_ep_list);
+
+               ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
+               ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(sch_ep->pkts)
+                       | EP_BCSCOUNT(sch_ep->cs_count)
+                       | EP_BBM(sch_ep->burst_mode));
+               ep_ctx->reserved[1] |= cpu_to_le32(EP_BOFFSET(sch_ep->offset)
+                       | EP_BREPEAT(sch_ep->repeat));
+
+               xhci_dbg(xhci, " PKTS:%x, CSCOUNT:%x, BM:%x, OFFSET:%x, 
REPEAT:%x\n",
+                       sch_ep->pkts, sch_ep->cs_count, sch_ep->burst_mode,
+                       sch_ep->offset, sch_ep->repeat);
+       }
+
+       return xhci_check_bandwidth(hcd, udev);
+}
+EXPORT_SYMBOL_GPL(xhci_mtk_check_bandwidth);
+
+void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
+{
+       struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
+       struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+       struct mu3h_sch_bw_info *sch_bw;
+       struct mu3h_sch_ep_info *sch_ep, *tmp;
+       int bw_index;
+
+       xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
+
+       list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint) {
+               bw_index = get_bw_index(xhci, udev, sch_ep->ep);
+               sch_bw = &mtk->sch_array[bw_index];
+               destroy_sch_ep(udev, sch_bw, sch_ep);
+       }
+
+       xhci_reset_bandwidth(hcd, udev);
+}
+EXPORT_SYMBOL_GPL(xhci_mtk_reset_bandwidth);
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 85f1ff0399a9..09b67219fd14 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -347,6 +347,8 @@ static void usb_wakeup_set(struct xhci_hcd_mtk *mtk, bool 
enable)
 static int xhci_mtk_setup(struct usb_hcd *hcd);
 static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = {
        .reset = xhci_mtk_setup,
+       .check_bandwidth = xhci_mtk_check_bandwidth,
+       .reset_bandwidth = xhci_mtk_reset_bandwidth,
 };
 
 static struct hc_driver __read_mostly xhci_mtk_hc_driver;
diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index 5ac458b7d2e0..734c5513aa1b 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -59,6 +59,7 @@ struct mu3h_sch_bw_info {
  * @ep_type: endpoint type
  * @maxpkt: max packet size of endpoint
  * @ep: address of usb_host_endpoint struct
+ * @allocated: the bandwidth is aready allocated from bus_bw
  * @offset: which uframe of the interval that transfer should be
  *             scheduled first time within the interval
  * @repeat: the time gap between two uframes that transfers are
@@ -86,6 +87,7 @@ struct mu3h_sch_ep_info {
        u32 ep_type;
        u32 maxpkt;
        void *ep;
+       bool allocated;
        /*
         * mtk xHCI scheduling information put into reserved DWs
         * in ep context
@@ -131,6 +133,7 @@ struct xhci_hcd_mtk {
        struct device *dev;
        struct usb_hcd *hcd;
        struct mu3h_sch_bw_info *sch_array;
+       struct list_head bw_ep_chk_list;
        struct mu3c_ippc_regs __iomem *ippc_regs;
        bool has_ippc;
        int num_u2_ports;
@@ -166,6 +169,8 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct 
usb_device *udev,
                struct usb_host_endpoint *ep);
 void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
                struct usb_host_endpoint *ep);
+int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
+void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 
 #else
 static inline int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd,
@@ -179,6 +184,16 @@ static inline void xhci_mtk_drop_ep_quirk(struct usb_hcd 
*hcd,
 {
 }
 
+static inline int xhci_mtk_check_bandwidth(struct usb_hcd *hcd,
+               struct usb_device *udev)
+{
+       return 0;
+}
+
+static inline void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd,
+               struct usb_device *udev)
+{
+}
 #endif
 
 #endif         /* _XHCI_MTK_H_ */
diff --git a/drivers/usb/host/xhci-mvebu.c b/drivers/usb/host/xhci-mvebu.c
index 60651a50770f..f27d5c2c42f3 100644
--- a/drivers/usb/host/xhci-mvebu.c
+++ b/drivers/usb/host/xhci-mvebu.c
@@ -8,6 +8,7 @@
 #include <linux/mbus.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
+#include <linux/phy/phy.h>
 
 #include <linux/usb.h>
 #include <linux/usb/hcd.h>
@@ -74,6 +75,47 @@ int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd)
        return 0;
 }
 
+int xhci_mvebu_a3700_plat_setup(struct usb_hcd *hcd)
+{
+       struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+       struct device *dev = hcd->self.controller;
+       struct phy *phy;
+       int ret;
+
+       /* Old bindings miss the PHY handle */
+       phy = of_phy_get(dev->of_node, "usb3-phy");
+       if (IS_ERR(phy) && PTR_ERR(phy) == -EPROBE_DEFER)
+               return -EPROBE_DEFER;
+       else if (IS_ERR(phy))
+               goto phy_out;
+
+       ret = phy_init(phy);
+       if (ret)
+               goto phy_put;
+
+       ret = phy_set_mode(phy, PHY_MODE_USB_HOST_SS);
+       if (ret)
+               goto phy_exit;
+
+       ret = phy_power_on(phy);
+       if (ret == -EOPNOTSUPP) {
+               /* Skip initializatin of XHCI PHY when it is unsupported by 
firmware */
+               dev_warn(dev, "PHY unsupported by firmware\n");
+               xhci->quirks |= XHCI_SKIP_PHY_INIT;
+       }
+       if (ret)
+               goto phy_exit;
+
+       phy_power_off(phy);
+phy_exit:
+       phy_exit(phy);
+phy_put:
+       phy_put(phy);
+phy_out:
+
+       return 0;
+}
+
 int xhci_mvebu_a3700_init_quirk(struct usb_hcd *hcd)
 {
        struct xhci_hcd *xhci = hcd_to_xhci(hcd);
diff --git a/drivers/usb/host/xhci-mvebu.h b/drivers/usb/host/xhci-mvebu.h
index ca0a3a5721dd..74b4d21a498a 100644
--- a/drivers/usb/host/xhci-mvebu.h
+++ b/drivers/usb/host/xhci-mvebu.h
@@ -12,6 +12,7 @@ struct usb_hcd;
 
 #if IS_ENABLED(CONFIG_USB_XHCI_MVEBU)
 int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd);
+int xhci_mvebu_a3700_plat_setup(struct usb_hcd *hcd);
 int xhci_mvebu_a3700_init_quirk(struct usb_hcd *hcd);
 #else
 static inline int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd)
@@ -19,6 +20,11 @@ static inline int xhci_mvebu_mbus_init_quirk(struct usb_hcd 
*hcd)
        return 0;
 }
 
+static inline int xhci_mvebu_a3700_plat_setup(struct usb_hcd *hcd)
+{
+       return 0;
+}
+
 static inline int xhci_mvebu_a3700_init_quirk(struct usb_hcd *hcd)
 {
        return 0;
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 52c625c02341..84cfa8544285 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -44,6 +44,16 @@ static void xhci_priv_plat_start(struct usb_hcd *hcd)
                priv->plat_start(hcd);
 }
 
+static int xhci_priv_plat_setup(struct usb_hcd *hcd)
+{
+       struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+
+       if (!priv->plat_setup)
+               return 0;
+
+       return priv->plat_setup(hcd);
+}
+
 static int xhci_priv_init_quirk(struct usb_hcd *hcd)
 {
        struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
@@ -101,6 +111,7 @@ static const struct xhci_plat_priv xhci_plat_marvell_armada 
= {
 };
 
 static const struct xhci_plat_priv xhci_plat_marvell_armada3700 = {
+       .plat_setup = xhci_mvebu_a3700_plat_setup,
        .init_quirk = xhci_mvebu_a3700_init_quirk,
 };
 
@@ -163,6 +174,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
        struct usb_hcd          *hcd;
        int                     ret;
        int                     irq;
+       struct xhci_plat_priv   *priv = NULL;
+
 
        if (usb_disabled())
                return -ENODEV;
@@ -257,8 +270,7 @@ static int xhci_plat_probe(struct platform_device *pdev)
 
        priv_match = of_device_get_match_data(&pdev->dev);
        if (priv_match) {
-               struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
-
+               priv = hcd_to_xhci_priv(hcd);
                /* Just copy data for now */
                if (priv_match)
                        *priv = *priv_match;
@@ -307,6 +319,16 @@ static int xhci_plat_probe(struct platform_device *pdev)
 
        hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
        xhci->shared_hcd->tpl_support = hcd->tpl_support;
+
+       if (priv) {
+               ret = xhci_priv_plat_setup(hcd);
+               if (ret)
+                       goto disable_usb_phy;
+       }
+
+       if ((xhci->quirks & XHCI_SKIP_PHY_INIT) || (priv && (priv->quirks & 
XHCI_SKIP_PHY_INIT)))
+               hcd->skip_phy_initialization = 1;
+
        ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
        if (ret)
                goto disable_usb_phy;
diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h
index 5681723fc9cd..b7749151bdfb 100644
--- a/drivers/usb/host/xhci-plat.h
+++ b/drivers/usb/host/xhci-plat.h
@@ -13,6 +13,7 @@
 struct xhci_plat_priv {
        const char *firmware_name;
        unsigned long long quirks;
+       int (*plat_setup)(struct usb_hcd *);
        void (*plat_start)(struct usb_hcd *);
        int (*init_quirk)(struct usb_hcd *);
        int (*resume_quirk)(struct usb_hcd *);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 52e156c01804..900ea91fb3c6 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -695,11 +695,16 @@ static void xhci_unmap_td_bounce_buffer(struct xhci_hcd 
*xhci,
        dma_unmap_single(dev, seg->bounce_dma, ring->bounce_buf_len,
                         DMA_FROM_DEVICE);
        /* for in tranfers we need to copy the data from bounce to sg */
-       len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs, seg->bounce_buf,
-                            seg->bounce_len, seg->bounce_offs);
-       if (len != seg->bounce_len)
-               xhci_warn(xhci, "WARN Wrong bounce buffer read length: %zu != 
%d\n",
-                               len, seg->bounce_len);
+       if (urb->num_sgs) {
+               len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs, 
seg->bounce_buf,
+                                          seg->bounce_len, seg->bounce_offs);
+               if (len != seg->bounce_len)
+                       xhci_warn(xhci, "WARN Wrong bounce buffer read length: 
%zu != %d\n",
+                                 len, seg->bounce_len);
+       } else {
+               memcpy(urb->transfer_buffer + seg->bounce_offs, seg->bounce_buf,
+                      seg->bounce_len);
+       }
        seg->bounce_len = 0;
        seg->bounce_offs = 0;
 }
@@ -3263,12 +3268,16 @@ static int xhci_align_td(struct xhci_hcd *xhci, struct 
urb *urb, u32 enqd_len,
 
        /* create a max max_pkt sized bounce buffer pointed to by last trb */
        if (usb_urb_dir_out(urb)) {
-               len = sg_pcopy_to_buffer(urb->sg, urb->num_sgs,
-                                  seg->bounce_buf, new_buff_len, enqd_len);
-               if (len != new_buff_len)
-                       xhci_warn(xhci,
-                               "WARN Wrong bounce buffer write length: %zu != 
%d\n",
-                               len, new_buff_len);
+               if (urb->num_sgs) {
+                       len = sg_pcopy_to_buffer(urb->sg, urb->num_sgs,
+                                                seg->bounce_buf, new_buff_len, 
enqd_len);
+                       if (len != new_buff_len)
+                               xhci_warn(xhci, "WARN Wrong bounce buffer write 
length: %zu != %d\n",
+                                         len, new_buff_len);
+               } else {
+                       memcpy(seg->bounce_buf, urb->transfer_buffer + 
enqd_len, new_buff_len);
+               }
+
                seg->bounce_dma = dma_map_single(dev, seg->bounce_buf,
                                                 max_pkt, DMA_TO_DEVICE);
        } else {
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 70aa3055c41e..91330517444e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2861,7 +2861,7 @@ static void xhci_check_bw_drop_ep_streams(struct xhci_hcd 
*xhci,
  * else should be touching the xhci->devs[slot_id] structure, so we
  * don't need to take the xhci->lock for manipulating that.
  */
-static int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
+int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
 {
        int i;
        int ret = 0;
@@ -2959,7 +2959,7 @@ static int xhci_check_bandwidth(struct usb_hcd *hcd, 
struct usb_device *udev)
        return ret;
 }
 
-static void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
+void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
 {
        struct xhci_hcd *xhci;
        struct xhci_virt_device *virt_dev;
@@ -5380,6 +5380,10 @@ void xhci_init_driver(struct hc_driver *drv,
                        drv->reset = over->reset;
                if (over->start)
                        drv->start = over->start;
+               if (over->check_bandwidth)
+                       drv->check_bandwidth = over->check_bandwidth;
+               if (over->reset_bandwidth)
+                       drv->reset_bandwidth = over->reset_bandwidth;
        }
 }
 EXPORT_SYMBOL_GPL(xhci_init_driver);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index b483317bcb17..1ad1d6e9e997 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1873,6 +1873,7 @@ struct xhci_hcd {
 #define XHCI_DEFAULT_PM_RUNTIME_ALLOW  BIT_ULL(33)
 #define XHCI_RESET_PLL_ON_DISCONNECT   BIT_ULL(34)
 #define XHCI_SNPS_BROKEN_SUSPEND    BIT_ULL(35)
+#define XHCI_SKIP_PHY_INIT     BIT_ULL(37)
 #define XHCI_DISABLE_SPARSE    BIT_ULL(38)
 
        unsigned int            num_active_eps;
@@ -1911,6 +1912,8 @@ struct xhci_driver_overrides {
        size_t extra_priv_size;
        int (*reset)(struct usb_hcd *hcd);
        int (*start)(struct usb_hcd *hcd);
+       int (*check_bandwidth)(struct usb_hcd *, struct usb_device *);
+       void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *);
 };
 
 #define        XHCI_CFC_DELAY          10
@@ -2063,6 +2066,8 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t 
get_quirks);
 void xhci_shutdown(struct usb_hcd *hcd);
 void xhci_init_driver(struct hc_driver *drv,
                      const struct xhci_driver_overrides *over);
+int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
+void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id);
 int xhci_ext_cap_init(struct xhci_hcd *xhci);
 
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 05cdad13933b..cfc16943979d 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -126,6 +126,7 @@ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, 
struct usbhs_pkt *pkt)
                }
 
                usbhs_pipe_clear_without_sequence(pipe, 0, 0);
+               usbhs_pipe_running(pipe, 0);
 
                __usbhsf_pkt_del(pkt);
        }
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index a90801ef0055..361a2e3ccad8 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -61,6 +61,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless 
smartcard reader */
        { USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC 
Device */
        { USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console 
*/
+       { USB_DEVICE(0x0988, 0x0578) }, /* Teraoka AD2000 */
        { USB_DEVICE(0x0B00, 0x3070) }, /* Ingenico 3070 */
        { USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher 
Acceptor */
        { USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */
@@ -201,6 +202,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */
        { USB_DEVICE(0x1901, 0x0195) }, /* GE B850/B650/B450 CP2104 DP UART 
interface */
        { USB_DEVICE(0x1901, 0x0196) }, /* GE B850 CP2105 DP UART interface */
+       { USB_DEVICE(0x199B, 0xBA30) }, /* LORD WSDA-200-USB */
        { USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */
        { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
        { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index fd41b07b5aaf..f49eae18500c 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -425,6 +425,8 @@ static void option_instat_callback(struct urb *urb);
 #define CINTERION_PRODUCT_AHXX_2RMNET          0x0084
 #define CINTERION_PRODUCT_AHXX_AUDIO           0x0085
 #define CINTERION_PRODUCT_CLS8                 0x00b0
+#define CINTERION_PRODUCT_MV31_MBIM            0x00b3
+#define CINTERION_PRODUCT_MV31_RMNET           0x00b7
 
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID                     0x0b3c
@@ -1914,6 +1916,10 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 
enumerates with Siemens or Cinterion VID depending on FW revision */
        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
+       { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, 
CINTERION_PRODUCT_MV31_MBIM, 0xff),
+         .driver_info = RSVD(3)},
+       { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, 
CINTERION_PRODUCT_MV31_RMNET, 0xff),
+         .driver_info = RSVD(0)},
        { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
          .driver_info = RSVD(4) },
        { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
diff --git a/fs/afs/main.c b/fs/afs/main.c
index c9c45d7078bd..5cd26af2464c 100644
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -186,7 +186,7 @@ static int __init afs_init(void)
                goto error_cache;
 #endif
 
-       ret = register_pernet_subsys(&afs_net_ops);
+       ret = register_pernet_device(&afs_net_ops);
        if (ret < 0)
                goto error_net;
 
@@ -206,7 +206,7 @@ static int __init afs_init(void)
 error_proc:
        afs_fs_exit();
 error_fs:
-       unregister_pernet_subsys(&afs_net_ops);
+       unregister_pernet_device(&afs_net_ops);
 error_net:
 #ifdef CONFIG_AFS_FSCACHE
        fscache_unregister_netfs(&afs_cache_netfs);
@@ -237,7 +237,7 @@ static void __exit afs_exit(void)
 
        proc_remove(afs_proc_symlink);
        afs_fs_exit();
-       unregister_pernet_subsys(&afs_net_ops);
+       unregister_pernet_device(&afs_net_ops);
 #ifdef CONFIG_AFS_FSCACHE
        fscache_unregister_netfs(&afs_cache_netfs);
 #endif
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 5a35850ccb1a..9ae9a514676c 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -738,6 +738,7 @@ static int
 cifs_d_revalidate(struct dentry *direntry, unsigned int flags)
 {
        struct inode *inode;
+       int rc;
 
        if (flags & LOOKUP_RCU)
                return -ECHILD;
@@ -747,8 +748,25 @@ cifs_d_revalidate(struct dentry *direntry, unsigned int 
flags)
                if ((flags & LOOKUP_REVAL) && !CIFS_CACHE_READ(CIFS_I(inode)))
                        CIFS_I(inode)->time = 0; /* force reval */
 
-               if (cifs_revalidate_dentry(direntry))
-                       return 0;
+               rc = cifs_revalidate_dentry(direntry);
+               if (rc) {
+                       cifs_dbg(FYI, "cifs_revalidate_dentry failed with 
rc=%d", rc);
+                       switch (rc) {
+                       case -ENOENT:
+                       case -ESTALE:
+                               /*
+                                * Those errors mean the dentry is invalid
+                                * (file was deleted or recreated)
+                                */
+                               return 0;
+                       default:
+                               /*
+                                * Otherwise some unexpected error happened
+                                * report it as-is to VFS layer
+                                */
+                               return rc;
+                       }
+               }
                else {
                        /*
                         * If the inode wasn't known to be a dfs entry when
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 2482978f0948..739556e385be 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -227,7 +227,7 @@ struct smb2_negotiate_req {
        __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
        __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
        __le16 Reserved2;
-       __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
+       __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
 } __packed;
 
 /* Dialects */
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 4ffbf8f96581..eab7940bfebe 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -659,10 +659,22 @@ wait_for_compound_request(struct TCP_Server_Info *server, 
int num,
        spin_lock(&server->req_lock);
        if (*credits < num) {
                /*
-                * Return immediately if not too many requests in flight since
-                * we will likely be stuck on waiting for credits.
+                * If the server is tight on resources or just gives us less
+                * credits for other reasons (e.g. requests are coming out of
+                * order and the server delays granting more credits until it
+                * processes a missing mid) and we exhausted most available
+                * credits there may be situations when we try to send
+                * a compound request but we don't have enough credits. At this
+                * point the client needs to decide if it should wait for
+                * additional credits or fail the request. If at least one
+                * request is in flight there is a high probability that the
+                * server will return enough credits to satisfy this compound
+                * request.
+                *
+                * Return immediately if no requests in flight since we will be
+                * stuck on waiting for credits.
                 */
-               if (server->in_flight < num - *credits) {
+               if (server->in_flight == 0) {
                        spin_unlock(&server->req_lock);
                        return -ENOTSUPP;
                }
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 5fff7cb3582f..cf3af2140c3d 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -675,9 +675,10 @@ static long hugetlbfs_fallocate(struct file *file, int 
mode, loff_t offset,
 
                mutex_unlock(&hugetlb_fault_mutex_table[hash]);
 
+               set_page_huge_active(page);
                /*
                 * unlock_page because locked by add_to_page_cache()
-                * page_put due to reference from alloc_huge_page()
+                * put_page() due to reference from alloc_huge_page()
                 */
                unlock_page(page);
                put_page(page);
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 29abdb1d3b5c..6509ec3cb373 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -940,8 +940,8 @@ static char *ovl_get_redirect(struct dentry *dentry, bool 
abs_redirect)
 
                buflen -= thislen;
                memcpy(&buf[buflen], name, thislen);
-               tmp = dget_dlock(d->d_parent);
                spin_unlock(&d->d_lock);
+               tmp = dget_parent(d);
 
                dput(d);
                d = tmp;
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 8a03f392f368..0e080ba5efbc 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -590,6 +590,8 @@ static inline void huge_ptep_modify_prot_commit(struct 
vm_area_struct *vma,
 }
 #endif
 
+void set_page_huge_active(struct page *page);
+
 #else  /* CONFIG_HUGETLB_PAGE */
 struct hstate {};
 
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 8ad679e9d9c0..d695e2eb2092 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -139,6 +139,12 @@ struct msi_desc {
        list_for_each_entry((desc), dev_to_msi_list((dev)), list)
 #define for_each_msi_entry_safe(desc, tmp, dev)        \
        list_for_each_entry_safe((desc), (tmp), dev_to_msi_list((dev)), list)
+#define for_each_msi_vector(desc, __irq, dev)                          \
+       for_each_msi_entry((desc), (dev))                               \
+               if ((desc)->irq)                                        \
+                       for (__irq = (desc)->irq;                       \
+                            __irq < ((desc)->irq + (desc)->nvec_used); \
+                            __irq++)
 
 #ifdef CONFIG_IRQ_MSI_IOMMU
 static inline const void *msi_desc_get_iommu_cookie(struct msi_desc *desc)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 3d03756e1069..b2ceec7b280d 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -1158,7 +1158,7 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc 
*sch, struct Qdisc *new,
        old = *pold;
        *pold = new;
        if (old != NULL)
-               qdisc_tree_flush_backlog(old);
+               qdisc_purge_queue(old);
        sch_tree_unlock(sch);
 
        return old;
diff --git a/init/init_task.c b/init/init_task.c
index df7041be96fc..5d8359c44564 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -171,7 +171,8 @@ struct task_struct init_task
        .lockdep_recursion = 0,
 #endif
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
-       .ret_stack      = NULL,
+       .ret_stack              = NULL,
+       .tracing_graph_pause    = ATOMIC_INIT(0),
 #endif
 #if defined(CONFIG_TRACING) && defined(CONFIG_PREEMPTION)
        .trace_recursion = 0,
diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index 5a8b4dfdb141..c2f0aa818b7a 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -1109,6 +1109,11 @@ int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, 
int level,
                        goto out;
                }
 
+               if (ctx.optlen < 0) {
+                       ret = -EFAULT;
+                       goto out;
+               }
+
                if (copy_from_user(ctx.optval, optval,
                                   min(ctx.optlen, max_optlen)) != 0) {
                        ret = -EFAULT;
@@ -1126,7 +1131,7 @@ int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, 
int level,
                goto out;
        }
 
-       if (ctx.optlen > max_optlen) {
+       if (ctx.optlen > max_optlen || ctx.optlen < 0) {
                ret = -EFAULT;
                goto out;
        }
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index eb95f6106a1e..5d3da0db092f 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -437,22 +437,22 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, 
struct device *dev,
 
        can_reserve = msi_check_reservation_mode(domain, info, dev);
 
-       for_each_msi_entry(desc, dev) {
-               virq = desc->irq;
-               if (desc->nvec_used == 1)
-                       dev_dbg(dev, "irq %d for MSI\n", virq);
-               else
+       /*
+        * This flag is set by the PCI layer as we need to activate
+        * the MSI entries before the PCI layer enables MSI in the
+        * card. Otherwise the card latches a random msi message.
+        */
+       if (!(info->flags & MSI_FLAG_ACTIVATE_EARLY))
+               goto skip_activate;
+
+       for_each_msi_vector(desc, i, dev) {
+               if (desc->irq == i) {
+                       virq = desc->irq;
                        dev_dbg(dev, "irq [%d-%d] for MSI\n",
                                virq, virq + desc->nvec_used - 1);
-               /*
-                * This flag is set by the PCI layer as we need to activate
-                * the MSI entries before the PCI layer enables MSI in the
-                * card. Otherwise the card latches a random msi message.
-                */
-               if (!(info->flags & MSI_FLAG_ACTIVATE_EARLY))
-                       continue;
+               }
 
-               irq_data = irq_domain_get_irq_data(domain, desc->irq);
+               irq_data = irq_domain_get_irq_data(domain, i);
                if (!can_reserve) {
                        irqd_clr_can_reserve(irq_data);
                        if (domain->flags & IRQ_DOMAIN_MSI_NOMASK_QUIRK)
@@ -463,28 +463,24 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, 
struct device *dev,
                        goto cleanup;
        }
 
+skip_activate:
        /*
         * If these interrupts use reservation mode, clear the activated bit
         * so request_irq() will assign the final vector.
         */
        if (can_reserve) {
-               for_each_msi_entry(desc, dev) {
-                       irq_data = irq_domain_get_irq_data(domain, desc->irq);
+               for_each_msi_vector(desc, i, dev) {
+                       irq_data = irq_domain_get_irq_data(domain, i);
                        irqd_clr_activated(irq_data);
                }
        }
        return 0;
 
 cleanup:
-       for_each_msi_entry(desc, dev) {
-               struct irq_data *irqd;
-
-               if (desc->irq == virq)
-                       break;
-
-               irqd = irq_domain_get_irq_data(domain, desc->irq);
-               if (irqd_is_activated(irqd))
-                       irq_domain_deactivate_irq(irqd);
+       for_each_msi_vector(desc, i, dev) {
+               irq_data = irq_domain_get_irq_data(domain, i);
+               if (irqd_is_activated(irq_data))
+                       irq_domain_deactivate_irq(irq_data);
        }
        msi_domain_free_irqs(domain, dev);
        return ret;
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 283c8b01ce78..26ae92c12fc2 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1972,6 +1972,10 @@ int register_kretprobe(struct kretprobe *rp)
        if (!kprobe_on_func_entry(rp->kp.addr, rp->kp.symbol_name, 
rp->kp.offset))
                return -EINVAL;
 
+       /* If only rp->kp.addr is specified, check reregistering kprobes */
+       if (rp->kp.addr && check_kprobe_rereg(&rp->kp))
+               return -EINVAL;
+
        if (kretprobe_blacklist_size) {
                addr = kprobe_addr(&rp->kp);
                if (IS_ERR(addr))
diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index 7950a0356042..888cd00174fe 100644
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -367,7 +367,6 @@ static int alloc_retstack_tasklist(struct ftrace_ret_stack 
**ret_stack_list)
                }
 
                if (t->ret_stack == NULL) {
-                       atomic_set(&t->tracing_graph_pause, 0);
                        atomic_set(&t->trace_overrun, 0);
                        t->curr_ret_stack = -1;
                        t->curr_ret_depth = -1;
@@ -462,7 +461,6 @@ static DEFINE_PER_CPU(struct ftrace_ret_stack *, 
idle_ret_stack);
 static void
 graph_init_task(struct task_struct *t, struct ftrace_ret_stack *ret_stack)
 {
-       atomic_set(&t->tracing_graph_pause, 0);
        atomic_set(&t->trace_overrun, 0);
        t->ftrace_timestamp = 0;
        /* make curr_ret_stack visible before we add the ret_stack */
diff --git a/mm/compaction.c b/mm/compaction.c
index 92470625f0b1..88c3f6bad1ab 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1276,7 +1276,7 @@ fast_isolate_freepages(struct compact_control *cc)
 {
        unsigned int limit = min(1U, freelist_scan_limit(cc) >> 1);
        unsigned int nr_scanned = 0;
-       unsigned long low_pfn, min_pfn, high_pfn = 0, highest = 0;
+       unsigned long low_pfn, min_pfn, highest = 0;
        unsigned long nr_isolated = 0;
        unsigned long distance;
        struct page *page = NULL;
@@ -1321,6 +1321,7 @@ fast_isolate_freepages(struct compact_control *cc)
                struct page *freepage;
                unsigned long flags;
                unsigned int order_scanned = 0;
+               unsigned long high_pfn = 0;
 
                if (!area->nr_free)
                        continue;
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 11aa763a3144..7bbf419bb86d 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2306,7 +2306,7 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t 
*pmd,
 {
        spinlock_t *ptl;
        struct mmu_notifier_range range;
-       bool was_locked = false;
+       bool do_unlock_page = false;
        pmd_t _pmd;
 
        mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
@@ -2322,7 +2322,6 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t 
*pmd,
        VM_BUG_ON(freeze && !page);
        if (page) {
                VM_WARN_ON_ONCE(!PageLocked(page));
-               was_locked = true;
                if (page != pmd_page(*pmd))
                        goto out;
        }
@@ -2331,19 +2330,29 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t 
*pmd,
        if (pmd_trans_huge(*pmd)) {
                if (!page) {
                        page = pmd_page(*pmd);
-                       if (unlikely(!trylock_page(page))) {
-                               get_page(page);
-                               _pmd = *pmd;
-                               spin_unlock(ptl);
-                               lock_page(page);
-                               spin_lock(ptl);
-                               if (unlikely(!pmd_same(*pmd, _pmd))) {
-                                       unlock_page(page);
+                       /*
+                        * An anonymous page must be locked, to ensure that a
+                        * concurrent reuse_swap_page() sees stable mapcount;
+                        * but reuse_swap_page() is not used on shmem or file,
+                        * and page lock must not be taken when zap_pmd_range()
+                        * calls __split_huge_pmd() while i_mmap_lock is held.
+                        */
+                       if (PageAnon(page)) {
+                               if (unlikely(!trylock_page(page))) {
+                                       get_page(page);
+                                       _pmd = *pmd;
+                                       spin_unlock(ptl);
+                                       lock_page(page);
+                                       spin_lock(ptl);
+                                       if (unlikely(!pmd_same(*pmd, _pmd))) {
+                                               unlock_page(page);
+                                               put_page(page);
+                                               page = NULL;
+                                               goto repeat;
+                                       }
                                        put_page(page);
-                                       page = NULL;
-                                       goto repeat;
                                }
-                               put_page(page);
+                               do_unlock_page = true;
                        }
                }
                if (PageMlocked(page))
@@ -2353,7 +2362,7 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t 
*pmd,
        __split_huge_pmd_locked(vma, pmd, range.start, freeze);
 out:
        spin_unlock(ptl);
-       if (!was_locked && page)
+       if (do_unlock_page)
                unlock_page(page);
        /*
         * No need to double call mmu_notifier->invalidate_range() callback.
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3bc33fa83817..d5b03b9262d4 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -71,6 +71,21 @@ DEFINE_SPINLOCK(hugetlb_lock);
 static int num_fault_mutexes;
 struct mutex *hugetlb_fault_mutex_table ____cacheline_aligned_in_smp;
 
+static inline bool PageHugeFreed(struct page *head)
+{
+       return page_private(head + 4) == -1UL;
+}
+
+static inline void SetPageHugeFreed(struct page *head)
+{
+       set_page_private(head + 4, -1UL);
+}
+
+static inline void ClearPageHugeFreed(struct page *head)
+{
+       set_page_private(head + 4, 0);
+}
+
 /* Forward declaration */
 static int hugetlb_acct_memory(struct hstate *h, long delta);
 
@@ -869,6 +884,7 @@ static void enqueue_huge_page(struct hstate *h, struct page 
*page)
        list_move(&page->lru, &h->hugepage_freelists[nid]);
        h->free_huge_pages++;
        h->free_huge_pages_node[nid]++;
+       SetPageHugeFreed(page);
 }
 
 static struct page *dequeue_huge_page_node_exact(struct hstate *h, int nid)
@@ -886,6 +902,7 @@ static struct page *dequeue_huge_page_node_exact(struct 
hstate *h, int nid)
                return NULL;
        list_move(&page->lru, &h->hugepage_activelist);
        set_page_refcounted(page);
+       ClearPageHugeFreed(page);
        h->free_huge_pages--;
        h->free_huge_pages_node[nid]--;
        return page;
@@ -1217,12 +1234,11 @@ struct hstate *size_to_hstate(unsigned long size)
  */
 bool page_huge_active(struct page *page)
 {
-       VM_BUG_ON_PAGE(!PageHuge(page), page);
-       return PageHead(page) && PagePrivate(&page[1]);
+       return PageHeadHuge(page) && PagePrivate(&page[1]);
 }
 
 /* never called for tail page */
-static void set_page_huge_active(struct page *page)
+void set_page_huge_active(struct page *page)
 {
        VM_BUG_ON_PAGE(!PageHeadHuge(page), page);
        SetPagePrivate(&page[1]);
@@ -1375,6 +1391,7 @@ static void prep_new_huge_page(struct hstate *h, struct 
page *page, int nid)
        set_hugetlb_cgroup(page, NULL);
        h->nr_huge_pages++;
        h->nr_huge_pages_node[nid]++;
+       ClearPageHugeFreed(page);
        spin_unlock(&hugetlb_lock);
 }
 
@@ -1602,6 +1619,7 @@ int dissolve_free_huge_page(struct page *page)
 {
        int rc = -EBUSY;
 
+retry:
        /* Not to disrupt normal path by vainly holding hugetlb_lock */
        if (!PageHuge(page))
                return 0;
@@ -1618,6 +1636,26 @@ int dissolve_free_huge_page(struct page *page)
                int nid = page_to_nid(head);
                if (h->free_huge_pages - h->resv_huge_pages == 0)
                        goto out;
+
+               /*
+                * We should make sure that the page is already on the free list
+                * when it is dissolved.
+                */
+               if (unlikely(!PageHugeFreed(head))) {
+                       spin_unlock(&hugetlb_lock);
+                       cond_resched();
+
+                       /*
+                        * Theoretically, we should return -EBUSY when we
+                        * encounter this race. In fact, we have a chance
+                        * to successfully dissolve the page if we do a
+                        * retry. Because the race window is quite small.
+                        * If we seize this opportunity, it is an optimization
+                        * for increasing the success rate of dissolving page.
+                        */
+                       goto retry;
+               }
+
                /*
                 * Move PageHWPoison flag from head page to the raw error page,
                 * which makes any subpages rather than the error page reusable.
@@ -5136,9 +5174,9 @@ bool isolate_huge_page(struct page *page, struct 
list_head *list)
 {
        bool ret = true;
 
-       VM_BUG_ON_PAGE(!PageHead(page), page);
        spin_lock(&hugetlb_lock);
-       if (!page_huge_active(page) || !get_page_unless_zero(page)) {
+       if (!PageHeadHuge(page) || !page_huge_active(page) ||
+           !get_page_unless_zero(page)) {
                ret = false;
                goto unlock;
        }
diff --git a/mm/memblock.c b/mm/memblock.c
index c4b16cae2bc9..11f6ae37d669 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -257,14 +257,6 @@ __memblock_find_range_top_down(phys_addr_t start, 
phys_addr_t end,
  *
  * Find @size free area aligned to @align in the specified range and node.
  *
- * When allocation direction is bottom-up, the @start should be greater
- * than the end of the kernel image. Otherwise, it will be trimmed. The
- * reason is that we want the bottom-up allocation just near the kernel
- * image so it is highly likely that the allocated memory and the kernel
- * will reside in the same node.
- *
- * If bottom-up allocation failed, will try to allocate memory top-down.
- *
  * Return:
  * Found address on success, 0 on failure.
  */
@@ -273,8 +265,6 @@ static phys_addr_t __init_memblock 
memblock_find_in_range_node(phys_addr_t size,
                                        phys_addr_t end, int nid,
                                        enum memblock_flags flags)
 {
-       phys_addr_t kernel_end, ret;
-
        /* pump up @end */
        if (end == MEMBLOCK_ALLOC_ACCESSIBLE ||
            end == MEMBLOCK_ALLOC_KASAN)
@@ -283,40 +273,13 @@ static phys_addr_t __init_memblock 
memblock_find_in_range_node(phys_addr_t size,
        /* avoid allocating the first page */
        start = max_t(phys_addr_t, start, PAGE_SIZE);
        end = max(start, end);
-       kernel_end = __pa_symbol(_end);
-
-       /*
-        * try bottom-up allocation only when bottom-up mode
-        * is set and @end is above the kernel image.
-        */
-       if (memblock_bottom_up() && end > kernel_end) {
-               phys_addr_t bottom_up_start;
-
-               /* make sure we will allocate above the kernel */
-               bottom_up_start = max(start, kernel_end);
 
-               /* ok, try bottom-up allocation first */
-               ret = __memblock_find_range_bottom_up(bottom_up_start, end,
-                                                     size, align, nid, flags);
-               if (ret)
-                       return ret;
-
-               /*
-                * we always limit bottom-up allocation above the kernel,
-                * but top-down allocation doesn't have the limit, so
-                * retrying top-down allocation may succeed when bottom-up
-                * allocation failed.
-                *
-                * bottom-up allocation is expected to be fail very rarely,
-                * so we use WARN_ONCE() here to see the stack trace if
-                * fail happens.
-                */
-               WARN_ONCE(IS_ENABLED(CONFIG_MEMORY_HOTREMOVE),
-                         "memblock: bottom-up allocation failed, memory 
hotremove may be affected\n");
-       }
-
-       return __memblock_find_range_top_down(start, end, size, align, nid,
-                                             flags);
+       if (memblock_bottom_up())
+               return __memblock_find_range_bottom_up(start, end, size, align,
+                                                      nid, flags);
+       else
+               return __memblock_find_range_top_down(start, end, size, align,
+                                                     nid, flags);
 }
 
 /**
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 6c270fce200f..7080d708b7d0 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1244,13 +1244,14 @@ static int __neigh_update(struct neighbour *neigh, 
const u8 *lladdr,
        old    = neigh->nud_state;
        err    = -EPERM;
 
-       if (!(flags & NEIGH_UPDATE_F_ADMIN) &&
-           (old & (NUD_NOARP | NUD_PERMANENT)))
-               goto out;
        if (neigh->dead) {
                NL_SET_ERR_MSG(extack, "Neighbor entry is now dead");
+               new = old;
                goto out;
        }
+       if (!(flags & NEIGH_UPDATE_F_ADMIN) &&
+           (old & (NUD_NOARP | NUD_PERMANENT)))
+               goto out;
 
        ext_learn_change = neigh_update_ext_learned(neigh, flags, &notify);
 
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index ca525cf681a4..f64d1743b86d 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -317,7 +317,7 @@ static int ip_tunnel_bind_dev(struct net_device *dev)
        }
 
        dev->needed_headroom = t_hlen + hlen;
-       mtu -= (dev->hard_header_len + t_hlen);
+       mtu -= t_hlen;
 
        if (mtu < IPV4_MIN_MTU)
                mtu = IPV4_MIN_MTU;
@@ -347,7 +347,7 @@ static struct ip_tunnel *ip_tunnel_create(struct net *net,
        nt = netdev_priv(dev);
        t_hlen = nt->hlen + sizeof(struct iphdr);
        dev->min_mtu = ETH_MIN_MTU;
-       dev->max_mtu = IP_MAX_MTU - dev->hard_header_len - t_hlen;
+       dev->max_mtu = IP_MAX_MTU - t_hlen;
        ip_tunnel_add(itn, nt);
        return nt;
 
@@ -494,11 +494,10 @@ static int tnl_update_pmtu(struct net_device *dev, struct 
sk_buff *skb,
        int mtu;
 
        tunnel_hlen = md ? tunnel_hlen : tunnel->hlen;
-       pkt_size = skb->len - tunnel_hlen - dev->hard_header_len;
+       pkt_size = skb->len - tunnel_hlen;
 
        if (df)
-               mtu = dst_mtu(&rt->dst) - dev->hard_header_len
-                                       - sizeof(struct iphdr) - tunnel_hlen;
+               mtu = dst_mtu(&rt->dst) - (sizeof(struct iphdr) + tunnel_hlen);
        else
                mtu = skb_valid_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
@@ -964,7 +963,7 @@ int __ip_tunnel_change_mtu(struct net_device *dev, int 
new_mtu, bool strict)
 {
        struct ip_tunnel *tunnel = netdev_priv(dev);
        int t_hlen = tunnel->hlen + sizeof(struct iphdr);
-       int max_mtu = IP_MAX_MTU - dev->hard_header_len - t_hlen;
+       int max_mtu = IP_MAX_MTU - t_hlen;
 
        if (new_mtu < ETH_MIN_MTU)
                return -EINVAL;
@@ -1141,10 +1140,9 @@ int ip_tunnel_newlink(struct net_device *dev, struct 
nlattr *tb[],
 
        mtu = ip_tunnel_bind_dev(dev);
        if (tb[IFLA_MTU]) {
-               unsigned int max = IP_MAX_MTU - dev->hard_header_len - nt->hlen;
+               unsigned int max = IP_MAX_MTU - (nt->hlen + sizeof(struct 
iphdr));
 
-               mtu = clamp(dev->mtu, (unsigned int)ETH_MIN_MTU,
-                           (unsigned int)(max - sizeof(struct iphdr)));
+               mtu = clamp(dev->mtu, (unsigned int)ETH_MIN_MTU, max);
        }
 
        err = dev_set_mtu(dev, mtu);
diff --git a/net/lapb/lapb_out.c b/net/lapb/lapb_out.c
index 7a4d0715d1c3..a966d29c772d 100644
--- a/net/lapb/lapb_out.c
+++ b/net/lapb/lapb_out.c
@@ -82,7 +82,8 @@ void lapb_kick(struct lapb_cb *lapb)
                skb = skb_dequeue(&lapb->write_queue);
 
                do {
-                       if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL) {
+                       skbn = skb_copy(skb, GFP_ATOMIC);
+                       if (!skbn) {
                                skb_queue_head(&lapb->write_queue, skb);
                                break;
                        }
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index c9a8a2433e8a..48322e45e7dd 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -125,8 +125,11 @@ int drv_sta_state(struct ieee80211_local *local,
        } else if (old_state == IEEE80211_STA_AUTH &&
                   new_state == IEEE80211_STA_ASSOC) {
                ret = drv_sta_add(local, sdata, &sta->sta);
-               if (ret == 0)
+               if (ret == 0) {
                        sta->uploaded = true;
+                       if (rcu_access_pointer(sta->sta.rates))
+                               drv_sta_rate_tbl_update(local, sdata, 
&sta->sta);
+               }
        } else if (old_state == IEEE80211_STA_ASSOC &&
                   new_state == IEEE80211_STA_AUTH) {
                drv_sta_remove(local, sdata, &sta->sta);
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b051f125d3af..9841db84bce0 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -934,7 +934,8 @@ int rate_control_set_rates(struct ieee80211_hw *hw,
        if (old)
                kfree_rcu(old, rcu_head);
 
-       drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta);
+       if (sta->uploaded)
+               drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta);
 
        ieee80211_sta_set_expected_throughput(pubsta, 
sta_get_expected_throughput(sta));
 
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 2921fc276713..9bacec6653ba 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -976,7 +976,7 @@ static int __init af_rxrpc_init(void)
                goto error_security;
        }
 
-       ret = register_pernet_subsys(&rxrpc_net_ops);
+       ret = register_pernet_device(&rxrpc_net_ops);
        if (ret)
                goto error_pernet;
 
@@ -1021,7 +1021,7 @@ static int __init af_rxrpc_init(void)
 error_sock:
        proto_unregister(&rxrpc_proto);
 error_proto:
-       unregister_pernet_subsys(&rxrpc_net_ops);
+       unregister_pernet_device(&rxrpc_net_ops);
 error_pernet:
        rxrpc_exit_security();
 error_security:
@@ -1043,7 +1043,7 @@ static void __exit af_rxrpc_exit(void)
        unregister_key_type(&key_type_rxrpc);
        sock_unregister(PF_RXRPC);
        proto_unregister(&rxrpc_proto);
-       unregister_pernet_subsys(&rxrpc_net_ops);
+       unregister_pernet_device(&rxrpc_net_ops);
        ASSERTCMP(atomic_read(&rxrpc_n_tx_skbs), ==, 0);
        ASSERTCMP(atomic_read(&rxrpc_n_rx_skbs), ==, 0);
 
  • Linux 5.4.97 Greg Kroah-Hartman
    • Re: Linux 5.4.97 Greg Kroah-Hartman

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