commit: 48d1605792da022ee168bfceffad6cb104930615 Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Tue Dec 14 10:37:23 2021 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Tue Dec 14 10:37:23 2021 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=48d16057
Linux patch 4.9.293 Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> 0000_README | 4 + 1292_linux-4.9.293.patch | 1436 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1440 insertions(+) diff --git a/0000_README b/0000_README index 24d98d48..f6aefd65 100644 --- a/0000_README +++ b/0000_README @@ -1211,6 +1211,10 @@ Patch: 1291_linux-4.9.292.patch From: http://www.kernel.org Desc: Linux 4.9.292 +Patch: 1292_linux-4.9.293.patch +From: http://www.kernel.org +Desc: Linux 4.9.293 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1292_linux-4.9.293.patch b/1292_linux-4.9.293.patch new file mode 100644 index 00000000..1a8f1cf5 --- /dev/null +++ b/1292_linux-4.9.293.patch @@ -0,0 +1,1436 @@ +diff --git a/Makefile b/Makefile +index 6e941bc98dbd3..a07a010095bc9 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 9 +-SUBLEVEL = 292 ++SUBLEVEL = 293 + EXTRAVERSION = + NAME = Roaring Lionus + +diff --git a/block/ioprio.c b/block/ioprio.c +index 01b8116298a13..284bdfa3aacfc 100644 +--- a/block/ioprio.c ++++ b/block/ioprio.c +@@ -202,6 +202,7 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) + pgrp = task_pgrp(current); + else + pgrp = find_vpid(who); ++ read_lock(&tasklist_lock); + do_each_pid_thread(pgrp, PIDTYPE_PGID, p) { + tmpio = get_task_ioprio(p); + if (tmpio < 0) +@@ -211,6 +212,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) + else + ret = ioprio_best(ret, tmpio); + } while_each_pid_thread(pgrp, PIDTYPE_PGID, p); ++ read_unlock(&tasklist_lock); ++ + break; + case IOPRIO_WHO_USER: + uid = make_kuid(current_user_ns(), who); +diff --git a/drivers/android/binder.c b/drivers/android/binder.c +index bf047f16fce9e..31a204ebfa6c5 100644 +--- a/drivers/android/binder.c ++++ b/drivers/android/binder.c +@@ -2641,21 +2641,18 @@ static int binder_free_thread(struct binder_proc *proc, + } + + /* +- * If this thread used poll, make sure we remove the waitqueue +- * from any epoll data structures holding it with POLLFREE. +- * waitqueue_active() is safe to use here because we're holding +- * the global lock. ++ * If this thread used poll, make sure we remove the waitqueue from any ++ * poll data structures holding it. + */ +- if ((thread->looper & BINDER_LOOPER_STATE_POLL) && +- waitqueue_active(&thread->wait)) { +- wake_up_poll(&thread->wait, POLLHUP | POLLFREE); +- } ++ if (thread->looper & BINDER_LOOPER_STATE_POLL) ++ wake_up_pollfree(&thread->wait); + + /* +- * This is needed to avoid races between wake_up_poll() above and +- * and ep_remove_waitqueue() called for other reasons (eg the epoll file +- * descriptor being closed); ep_remove_waitqueue() holds an RCU read +- * lock, so we can be sure it's done after calling synchronize_rcu(). ++ * This is needed to avoid races between wake_up_pollfree() above and ++ * someone else removing the last entry from the queue for other reasons ++ * (e.g. ep_remove_wait_queue() being called due to an epoll file ++ * descriptor being closed). Such other users hold an RCU read lock, so ++ * we can be sure they're done after we call synchronize_rcu(). + */ + if (thread->looper & BINDER_LOOPER_STATE_POLL) + synchronize_rcu(); +diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c +index d3804b215ffa6..a92cbe1aa72a2 100644 +--- a/drivers/ata/libata-core.c ++++ b/drivers/ata/libata-core.c +@@ -4332,6 +4332,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { + { "VRFDFC22048UCHC-TE*", NULL, ATA_HORKAGE_NODMA }, + /* Odd clown on sil3726/4726 PMPs */ + { "Config Disk", NULL, ATA_HORKAGE_DISABLE }, ++ /* Similar story with ASMedia 1092 */ ++ { "ASMT109x- Config", NULL, ATA_HORKAGE_DISABLE }, + + /* Weird ATAPI devices */ + { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 }, +diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig +index 8eed456a67bed..2d2422705ccf7 100644 +--- a/drivers/hid/Kconfig ++++ b/drivers/hid/Kconfig +@@ -176,14 +176,14 @@ config HID_CHERRY + + config HID_CHICONY + tristate "Chicony devices" +- depends on HID ++ depends on USB_HID + default !EXPERT + ---help--- + Support for Chicony Tactical pad and special keys on Chicony keyboards. + + config HID_CORSAIR + tristate "Corsair devices" +- depends on HID && USB && LEDS_CLASS ++ depends on USB_HID && LEDS_CLASS + ---help--- + Support for Corsair devices that are not fully compliant with the + HID standard. +@@ -194,7 +194,7 @@ config HID_CORSAIR + + config HID_PRODIKEYS + tristate "Prodikeys PC-MIDI Keyboard support" +- depends on HID && SND ++ depends on USB_HID && SND + select SND_RAWMIDI + ---help--- + Support for Prodikeys PC-MIDI Keyboard device support. +@@ -421,7 +421,7 @@ config HID_LENOVO + + config HID_LOGITECH + tristate "Logitech devices" +- depends on HID ++ depends on USB_HID + default !EXPERT + ---help--- + Support for Logitech devices that are not fully compliant with HID standard. +@@ -730,7 +730,7 @@ config HID_SAITEK + + config HID_SAMSUNG + tristate "Samsung InfraRed remote control or keyboards" +- depends on HID ++ depends on USB_HID + ---help--- + Support for Samsung InfraRed remote control or keyboards. + +diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c +index f04ed9aabc3f9..f11948ddf642e 100644 +--- a/drivers/hid/hid-chicony.c ++++ b/drivers/hid/hid-chicony.c +@@ -61,8 +61,12 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, + static __u8 *ch_switch12_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) + { +- struct usb_interface *intf = to_usb_interface(hdev->dev.parent); +- ++ struct usb_interface *intf; ++ ++ if (!hid_is_usb(hdev)) ++ return rdesc; ++ ++ intf = to_usb_interface(hdev->dev.parent); + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + /* Change usage maximum and logical maximum from 0x7fff to + * 0x2fff, so they don't exceed HID_MAX_USAGES */ +diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c +index 9ba5d98a11804..d8cf08b6b31c6 100644 +--- a/drivers/hid/hid-corsair.c ++++ b/drivers/hid/hid-corsair.c +@@ -553,7 +553,12 @@ static int corsair_probe(struct hid_device *dev, const struct hid_device_id *id) + int ret; + unsigned long quirks = id->driver_data; + struct corsair_drvdata *drvdata; +- struct usb_interface *usbif = to_usb_interface(dev->dev.parent); ++ struct usb_interface *usbif; ++ ++ if (!hid_is_usb(dev)) ++ return -EINVAL; ++ ++ usbif = to_usb_interface(dev->dev.parent); + + drvdata = devm_kzalloc(&dev->dev, sizeof(struct corsair_drvdata), + GFP_KERNEL); +diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c +index 5eea6fe0d7bd8..c3ecac13e6203 100644 +--- a/drivers/hid/hid-elo.c ++++ b/drivers/hid/hid-elo.c +@@ -230,6 +230,9 @@ static int elo_probe(struct hid_device *hdev, const struct hid_device_id *id) + struct elo_priv *priv; + int ret; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; +diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c +index ab9da597106fa..2f8eb66397444 100644 +--- a/drivers/hid/hid-holtek-kbd.c ++++ b/drivers/hid/hid-holtek-kbd.c +@@ -143,12 +143,17 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type, + static int holtek_kbd_probe(struct hid_device *hdev, + const struct hid_device_id *id) + { +- struct usb_interface *intf = to_usb_interface(hdev->dev.parent); +- int ret = hid_parse(hdev); ++ struct usb_interface *intf; ++ int ret; ++ ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; + ++ ret = hid_parse(hdev); + if (!ret) + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + ++ intf = to_usb_interface(hdev->dev.parent); + if (!ret && intf->cur_altsetting->desc.bInterfaceNumber == 1) { + struct hid_input *hidinput; + list_for_each_entry(hidinput, &hdev->inputs, list) { +diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c +index 78b3a0c767751..27c08ddab0e1a 100644 +--- a/drivers/hid/hid-holtek-mouse.c ++++ b/drivers/hid/hid-holtek-mouse.c +@@ -65,6 +65,14 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, + return rdesc; + } + ++static int holtek_mouse_probe(struct hid_device *hdev, ++ const struct hid_device_id *id) ++{ ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ return 0; ++} ++ + static const struct hid_device_id holtek_mouse_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, +@@ -86,6 +94,7 @@ static struct hid_driver holtek_mouse_driver = { + .name = "holtek_mouse", + .id_table = holtek_mouse_devices, + .report_fixup = holtek_mouse_report_fixup, ++ .probe = holtek_mouse_probe, + }; + + module_hid_driver(holtek_mouse_driver); +diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c +index 7e55d3f755dd5..f8d1d481c8384 100644 +--- a/drivers/hid/hid-lg.c ++++ b/drivers/hid/hid-lg.c +@@ -714,12 +714,18 @@ static int lg_raw_event(struct hid_device *hdev, struct hid_report *report, + + static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) + { +- struct usb_interface *iface = to_usb_interface(hdev->dev.parent); +- __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber; ++ struct usb_interface *iface; ++ __u8 iface_num; + unsigned int connect_mask = HID_CONNECT_DEFAULT; + struct lg_drv_data *drv_data; + int ret; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ ++ iface = to_usb_interface(hdev->dev.parent); ++ iface_num = iface->cur_altsetting->desc.bInterfaceNumber; ++ + /* G29 only work with the 1st interface */ + if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) && + (iface_num != 0)) { +diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c +index 762f33817dd0d..7c3e42efbc567 100644 +--- a/drivers/hid/hid-prodikeys.c ++++ b/drivers/hid/hid-prodikeys.c +@@ -803,12 +803,18 @@ static int pk_raw_event(struct hid_device *hdev, struct hid_report *report, + static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id) + { + int ret; +- struct usb_interface *intf = to_usb_interface(hdev->dev.parent); +- unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber; ++ struct usb_interface *intf; ++ unsigned short ifnum; + unsigned long quirks = id->driver_data; + struct pk_device *pk; + struct pcmidi_snd *pm = NULL; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ ++ intf = to_usb_interface(hdev->dev.parent); ++ ifnum = intf->cur_altsetting->desc.bInterfaceNumber; ++ + pk = kzalloc(sizeof(*pk), GFP_KERNEL); + if (pk == NULL) { + hid_err(hdev, "can't alloc descriptor\n"); +diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c +index 329c5d1270f94..fb545a11214f0 100644 +--- a/drivers/hid/hid-roccat-arvo.c ++++ b/drivers/hid/hid-roccat-arvo.c +@@ -347,6 +347,9 @@ static int arvo_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c +index 02db537f8f3ea..c07a7ea8a6873 100644 +--- a/drivers/hid/hid-roccat-isku.c ++++ b/drivers/hid/hid-roccat-isku.c +@@ -327,6 +327,9 @@ static int isku_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c +index 9be8c31f613fd..ef978586ff2f5 100644 +--- a/drivers/hid/hid-roccat-kone.c ++++ b/drivers/hid/hid-roccat-kone.c +@@ -752,6 +752,9 @@ static int kone_probe(struct hid_device *hdev, const struct hid_device_id *id) + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c +index 09e8fc72aa1d4..b63de4c5b5dd3 100644 +--- a/drivers/hid/hid-roccat-koneplus.c ++++ b/drivers/hid/hid-roccat-koneplus.c +@@ -434,6 +434,9 @@ static int koneplus_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-konepure.c b/drivers/hid/hid-roccat-konepure.c +index 07de2f9014c67..ef9508822e5f0 100644 +--- a/drivers/hid/hid-roccat-konepure.c ++++ b/drivers/hid/hid-roccat-konepure.c +@@ -136,6 +136,9 @@ static int konepure_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c +index 317c9c2c0a7ce..6256c211398a1 100644 +--- a/drivers/hid/hid-roccat-kovaplus.c ++++ b/drivers/hid/hid-roccat-kovaplus.c +@@ -504,6 +504,9 @@ static int kovaplus_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-lua.c b/drivers/hid/hid-roccat-lua.c +index ac1a7313e2596..13ae2a7d176d3 100644 +--- a/drivers/hid/hid-roccat-lua.c ++++ b/drivers/hid/hid-roccat-lua.c +@@ -163,6 +163,9 @@ static int lua_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c +index b30aa7b82bf87..027aa9d0ec1f2 100644 +--- a/drivers/hid/hid-roccat-pyra.c ++++ b/drivers/hid/hid-roccat-pyra.c +@@ -452,6 +452,9 @@ static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c +index 47cc8f30ff6d4..fda4a396a12e8 100644 +--- a/drivers/hid/hid-roccat-ryos.c ++++ b/drivers/hid/hid-roccat-ryos.c +@@ -144,6 +144,9 @@ static int ryos_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c +index 6dbf6e04dce75..0230fb54f08a5 100644 +--- a/drivers/hid/hid-roccat-savu.c ++++ b/drivers/hid/hid-roccat-savu.c +@@ -116,6 +116,9 @@ static int savu_probe(struct hid_device *hdev, + { + int retval; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c +index 7cbb067d4a9e3..89bb2260367f3 100644 +--- a/drivers/hid/hid-samsung.c ++++ b/drivers/hid/hid-samsung.c +@@ -157,6 +157,9 @@ static int samsung_probe(struct hid_device *hdev, + int ret; + unsigned int cmask = HID_CONNECT_DEFAULT; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); +diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c +index 1509d7287ff3e..b3f2e40b1c5bd 100644 +--- a/drivers/hid/hid-uclogic.c ++++ b/drivers/hid/hid-uclogic.c +@@ -791,6 +791,9 @@ static int uclogic_tablet_enable(struct hid_device *hdev) + __u8 *p; + s32 v; + ++ if (!hid_is_usb(hdev)) ++ return -EINVAL; ++ + /* + * Read string descriptor containing tablet parameters. The specific + * string descriptor and data were discovered by sniffing the Windows +diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c +index 800c477dd0761..518ccf15188ef 100644 +--- a/drivers/hid/i2c-hid/i2c-hid-core.c ++++ b/drivers/hid/i2c-hid/i2c-hid-core.c +@@ -875,7 +875,7 @@ static int i2c_hid_power(struct hid_device *hid, int lvl) + return 0; + } + +-static struct hid_ll_driver i2c_hid_ll_driver = { ++struct hid_ll_driver i2c_hid_ll_driver = { + .parse = i2c_hid_parse, + .start = i2c_hid_start, + .stop = i2c_hid_stop, +@@ -885,6 +885,7 @@ static struct hid_ll_driver i2c_hid_ll_driver = { + .output_report = i2c_hid_output_report, + .raw_request = i2c_hid_raw_request, + }; ++EXPORT_SYMBOL_GPL(i2c_hid_ll_driver); + + static int i2c_hid_init_irq(struct i2c_client *client) + { +diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c +index 731a7b3e01870..e60e41e775020 100644 +--- a/drivers/hid/uhid.c ++++ b/drivers/hid/uhid.c +@@ -372,7 +372,7 @@ static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf, + return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT); + } + +-static struct hid_ll_driver uhid_hid_driver = { ++struct hid_ll_driver uhid_hid_driver = { + .start = uhid_hid_start, + .stop = uhid_hid_stop, + .open = uhid_hid_open, +@@ -381,6 +381,7 @@ static struct hid_ll_driver uhid_hid_driver = { + .raw_request = uhid_hid_raw_request, + .output_report = uhid_hid_output_report, + }; ++EXPORT_SYMBOL_GPL(uhid_hid_driver); + + #ifdef CONFIG_COMPAT + +diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c +index 368f849decd1f..cb57ccff31c20 100644 +--- a/drivers/hid/usbhid/hid-core.c ++++ b/drivers/hid/usbhid/hid-core.c +@@ -1272,7 +1272,7 @@ static int usbhid_idle(struct hid_device *hid, int report, int idle, + return hid_set_idle(dev, ifnum, report, idle); + } + +-static struct hid_ll_driver usb_hid_driver = { ++struct hid_ll_driver usb_hid_driver = { + .parse = usbhid_parse, + .start = usbhid_start, + .stop = usbhid_stop, +@@ -1285,6 +1285,7 @@ static struct hid_ll_driver usb_hid_driver = { + .output_report = usbhid_output_report, + .idle = usbhid_idle, + }; ++EXPORT_SYMBOL_GPL(usb_hid_driver); + + static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id) + { +diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c +index e8b90b534f08e..b74fcda49a223 100644 +--- a/drivers/hid/wacom_sys.c ++++ b/drivers/hid/wacom_sys.c +@@ -506,7 +506,7 @@ static void wacom_retrieve_hid_descriptor(struct hid_device *hdev, + * Skip the query for this type and modify defaults based on + * interface number. + */ +- if (features->type == WIRELESS) { ++ if (features->type == WIRELESS && intf) { + if (intf->cur_altsetting->desc.bInterfaceNumber == 0) + features->device_type = WACOM_DEVICETYPE_WL_MONITOR; + else +@@ -2115,6 +2115,9 @@ static void wacom_wireless_work(struct work_struct *work) + + wacom_destroy_battery(wacom); + ++ if (!usbdev) ++ return; ++ + /* Stylus interface */ + hdev1 = usb_get_intfdata(usbdev->config->interface[1]); + wacom1 = hid_get_drvdata(hdev1); +@@ -2354,8 +2357,6 @@ static void wacom_remote_work(struct work_struct *work) + static int wacom_probe(struct hid_device *hdev, + const struct hid_device_id *id) + { +- struct usb_interface *intf = to_usb_interface(hdev->dev.parent); +- struct usb_device *dev = interface_to_usbdev(intf); + struct wacom *wacom; + struct wacom_wac *wacom_wac; + struct wacom_features *features; +@@ -2388,8 +2389,14 @@ static int wacom_probe(struct hid_device *hdev, + wacom_wac->hid_data.inputmode = -1; + wacom_wac->mode_report = -1; + +- wacom->usbdev = dev; +- wacom->intf = intf; ++ if (hid_is_usb(hdev)) { ++ struct usb_interface *intf = to_usb_interface(hdev->dev.parent); ++ struct usb_device *dev = interface_to_usbdev(intf); ++ ++ wacom->usbdev = dev; ++ wacom->intf = intf; ++ } ++ + mutex_init(&wacom->lock); + INIT_WORK(&wacom->wireless_work, wacom_wireless_work); + INIT_WORK(&wacom->battery_work, wacom_battery_work); +diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c +index 626a605a0c0e6..799457aa36020 100644 +--- a/drivers/iio/accel/kxcjk-1013.c ++++ b/drivers/iio/accel/kxcjk-1013.c +@@ -1290,8 +1290,7 @@ static int kxcjk1013_probe(struct i2c_client *client, + return 0; + + err_buffer_cleanup: +- if (data->dready_trig) +- iio_triggered_buffer_cleanup(indio_dev); ++ iio_triggered_buffer_cleanup(indio_dev); + err_trigger_unregister: + if (data->dready_trig) + iio_trigger_unregister(data->dready_trig); +@@ -1314,8 +1313,8 @@ static int kxcjk1013_remove(struct i2c_client *client) + pm_runtime_set_suspended(&client->dev); + pm_runtime_put_noidle(&client->dev); + ++ iio_triggered_buffer_cleanup(indio_dev); + if (data->dready_trig) { +- iio_triggered_buffer_cleanup(indio_dev); + iio_trigger_unregister(data->dready_trig); + iio_trigger_unregister(data->motion_trig); + } +diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c +index 1bda730a71c0b..c3ac798083f4f 100644 +--- a/drivers/iio/accel/kxsd9.c ++++ b/drivers/iio/accel/kxsd9.c +@@ -227,14 +227,14 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p) + hw_values.chan, + sizeof(hw_values.chan)); + if (ret) { +- dev_err(st->dev, +- "error reading data\n"); +- return ret; ++ dev_err(st->dev, "error reading data: %d\n", ret); ++ goto out; + } + + iio_push_to_buffers_with_timestamp(indio_dev, + &hw_values, + iio_get_time_ns(indio_dev)); ++out: + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c +index 90d4179e8c3de..0346c37b1e285 100644 +--- a/drivers/iio/accel/mma8452.c ++++ b/drivers/iio/accel/mma8452.c +@@ -1389,7 +1389,7 @@ static int mma8452_trigger_setup(struct iio_dev *indio_dev) + if (ret) + return ret; + +- indio_dev->trig = trig; ++ indio_dev->trig = iio_trigger_get(trig); + + return 0; + } +diff --git a/drivers/iio/gyro/itg3200_buffer.c b/drivers/iio/gyro/itg3200_buffer.c +index e04483254b283..7157b1a731a60 100644 +--- a/drivers/iio/gyro/itg3200_buffer.c ++++ b/drivers/iio/gyro/itg3200_buffer.c +@@ -64,9 +64,9 @@ static irqreturn_t itg3200_trigger_handler(int irq, void *p) + + iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp); + ++error_ret: + iio_trigger_notify_done(indio_dev->trig); + +-error_ret: + return IRQ_HANDLED; + } + +diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c +index 414fe857fa9d7..5e3cbb694a753 100644 +--- a/drivers/iio/light/ltr501.c ++++ b/drivers/iio/light/ltr501.c +@@ -1248,7 +1248,7 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) + ret = regmap_bulk_read(data->regmap, LTR501_ALS_DATA1, + (u8 *)als_buf, sizeof(als_buf)); + if (ret < 0) +- return ret; ++ goto done; + if (test_bit(0, indio_dev->active_scan_mask)) + scan.channels[j++] = le16_to_cpu(als_buf[1]); + if (test_bit(1, indio_dev->active_scan_mask)) +diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c +index 45cf8b0a43637..ed9cf1ffec7bc 100644 +--- a/drivers/iio/light/stk3310.c ++++ b/drivers/iio/light/stk3310.c +@@ -546,9 +546,8 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private) + mutex_lock(&data->lock); + ret = regmap_field_read(data->reg_flag_nf, &dir); + if (ret < 0) { +- dev_err(&data->client->dev, "register read failed\n"); +- mutex_unlock(&data->lock); +- return ret; ++ dev_err(&data->client->dev, "register read failed: %d\n", ret); ++ goto out; + } + event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1, + IIO_EV_TYPE_THRESH, +@@ -560,6 +559,7 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private) + ret = regmap_field_write(data->reg_flag_psint, 0); + if (ret < 0) + dev_err(&data->client->dev, "failed to reset interrupts\n"); ++out: + mutex_unlock(&data->lock); + + return IRQ_HANDLED; +diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c +index 9dc8cf096e2ea..93ace2609bdd1 100644 +--- a/drivers/infiniband/hw/hfi1/init.c ++++ b/drivers/infiniband/hw/hfi1/init.c +@@ -955,7 +955,7 @@ void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd) + kfree(rcd->egrbufs.rcvtids); + + for (e = 0; e < rcd->egrbufs.alloced; e++) { +- if (rcd->egrbufs.buffers[e].dma) ++ if (rcd->egrbufs.buffers[e].addr) + dma_free_coherent(&dd->pcidev->dev, + rcd->egrbufs.buffers[e].len, + rcd->egrbufs.buffers[e].addr, +diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c +index 8bcee65a0b8c9..ace01a626b098 100644 +--- a/drivers/irqchip/irq-armada-370-xp.c ++++ b/drivers/irqchip/irq-armada-370-xp.c +@@ -153,16 +153,12 @@ static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq, + int hwirq, i; + + mutex_lock(&msi_used_lock); ++ hwirq = bitmap_find_free_region(msi_used, PCI_MSI_DOORBELL_NR, ++ order_base_2(nr_irqs)); ++ mutex_unlock(&msi_used_lock); + +- hwirq = bitmap_find_next_zero_area(msi_used, PCI_MSI_DOORBELL_NR, +- 0, nr_irqs, 0); +- if (hwirq >= PCI_MSI_DOORBELL_NR) { +- mutex_unlock(&msi_used_lock); ++ if (hwirq < 0) + return -ENOSPC; +- } +- +- bitmap_set(msi_used, hwirq, nr_irqs); +- mutex_unlock(&msi_used_lock); + + for (i = 0; i < nr_irqs; i++) { + irq_domain_set_info(domain, virq + i, hwirq + i, +@@ -171,7 +167,7 @@ static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq, + NULL, NULL); + } + +- return hwirq; ++ return 0; + } + + static void armada_370_xp_msi_free(struct irq_domain *domain, +@@ -180,7 +176,7 @@ static void armada_370_xp_msi_free(struct irq_domain *domain, + struct irq_data *d = irq_domain_get_irq_data(domain, virq); + + mutex_lock(&msi_used_lock); +- bitmap_clear(msi_used, d->hwirq, nr_irqs); ++ bitmap_release_region(msi_used, d->hwirq, order_base_2(nr_irqs)); + mutex_unlock(&msi_used_lock); + } + +diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c +index d1efbb8dadc53..a964e381cbb81 100644 +--- a/drivers/irqchip/irq-gic-v3-its.c ++++ b/drivers/irqchip/irq-gic-v3-its.c +@@ -369,7 +369,7 @@ static struct its_collection *its_build_invall_cmd(struct its_cmd_block *cmd, + + its_fixup_cmd(cmd); + +- return NULL; ++ return desc->its_invall_cmd.col; + } + + static u64 its_cmd_ptr_to_offset(struct its_node *its, +diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c +index b1777104fd9fe..9694529b709de 100644 +--- a/drivers/irqchip/irq-nvic.c ++++ b/drivers/irqchip/irq-nvic.c +@@ -29,7 +29,7 @@ + + #define NVIC_ISER 0x000 + #define NVIC_ICER 0x080 +-#define NVIC_IPR 0x300 ++#define NVIC_IPR 0x400 + + #define NVIC_MAX_BANKS 16 + /* +diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c +index c1317889d3d8d..ced11ea892698 100644 +--- a/drivers/net/can/pch_can.c ++++ b/drivers/net/can/pch_can.c +@@ -703,11 +703,11 @@ static int pch_can_rx_normal(struct net_device *ndev, u32 obj_num, int quota) + cf->data[i + 1] = data_reg >> 8; + } + +- netif_receive_skb(skb); + rcv_pkts++; + stats->rx_packets++; + quota--; + stats->rx_bytes += cf->can_dlc; ++ netif_receive_skb(skb); + + pch_fifo_thresh(priv, obj_num); + obj_num++; +diff --git a/drivers/net/can/sja1000/ems_pcmcia.c b/drivers/net/can/sja1000/ems_pcmcia.c +index 381de998d2f16..fef5c59c0f4ca 100644 +--- a/drivers/net/can/sja1000/ems_pcmcia.c ++++ b/drivers/net/can/sja1000/ems_pcmcia.c +@@ -243,7 +243,12 @@ static int ems_pcmcia_add_card(struct pcmcia_device *pdev, unsigned long base) + free_sja1000dev(dev); + } + +- err = request_irq(dev->irq, &ems_pcmcia_interrupt, IRQF_SHARED, ++ if (!card->channels) { ++ err = -ENODEV; ++ goto failure_cleanup; ++ } ++ ++ err = request_irq(pdev->irq, &ems_pcmcia_interrupt, IRQF_SHARED, + DRV_NAME, card); + if (!err) + return 0; +diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c +index e306342506f1f..e02b99f77b1ca 100644 +--- a/drivers/net/ethernet/altera/altera_tse_main.c ++++ b/drivers/net/ethernet/altera/altera_tse_main.c +@@ -1361,16 +1361,19 @@ static int altera_tse_probe(struct platform_device *pdev) + priv->rxdescmem_busaddr = dma_res->start; + + } else { ++ ret = -ENODEV; + goto err_free_netdev; + } + +- if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask))) ++ if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask))) { + dma_set_coherent_mask(priv->device, + DMA_BIT_MASK(priv->dmaops->dmamask)); +- else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32))) ++ } else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32))) { + dma_set_coherent_mask(priv->device, DMA_BIT_MASK(32)); +- else ++ } else { ++ ret = -EIO; + goto err_free_netdev; ++ } + + /* MAC address space */ + ret = request_and_map(pdev, "control_port", &control_port, +diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h +index 5ea740b4cf14c..b4e23ab108527 100644 +--- a/drivers/net/ethernet/freescale/fec.h ++++ b/drivers/net/ethernet/freescale/fec.h +@@ -371,6 +371,9 @@ struct bufdesc_ex { + #define FEC_ENET_WAKEUP ((uint)0x00020000) /* Wakeup request */ + #define FEC_ENET_TXF (FEC_ENET_TXF_0 | FEC_ENET_TXF_1 | FEC_ENET_TXF_2) + #define FEC_ENET_RXF (FEC_ENET_RXF_0 | FEC_ENET_RXF_1 | FEC_ENET_RXF_2) ++#define FEC_ENET_RXF_GET(X) (((X) == 0) ? FEC_ENET_RXF_0 : \ ++ (((X) == 1) ? FEC_ENET_RXF_1 : \ ++ FEC_ENET_RXF_2)) + #define FEC_ENET_TS_AVAIL ((uint)0x00010000) + #define FEC_ENET_TS_TIMER ((uint)0x00008000) + +diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c +index 5fc40f025d214..c06ac5f66a17c 100644 +--- a/drivers/net/ethernet/freescale/fec_main.c ++++ b/drivers/net/ethernet/freescale/fec_main.c +@@ -1380,7 +1380,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) + break; + pkt_received++; + +- writel(FEC_ENET_RXF, fep->hwp + FEC_IEVENT); ++ writel(FEC_ENET_RXF_GET(queue_id), fep->hwp + FEC_IEVENT); + + /* Check for errors. */ + status ^= BD_ENET_RX_LAST; +diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c +index cb9d43c871c4c..147effc16316f 100644 +--- a/drivers/net/ethernet/qlogic/qla3xxx.c ++++ b/drivers/net/ethernet/qlogic/qla3xxx.c +@@ -3491,20 +3491,19 @@ static int ql_adapter_up(struct ql3_adapter *qdev) + + spin_lock_irqsave(&qdev->hw_lock, hw_flags); + +- err = ql_wait_for_drvr_lock(qdev); +- if (err) { +- err = ql_adapter_initialize(qdev); +- if (err) { +- netdev_err(ndev, "Unable to initialize adapter\n"); +- goto err_init; +- } +- netdev_err(ndev, "Releasing driver lock\n"); +- ql_sem_unlock(qdev, QL_DRVR_SEM_MASK); +- } else { ++ if (!ql_wait_for_drvr_lock(qdev)) { + netdev_err(ndev, "Could not acquire driver lock\n"); ++ err = -ENODEV; + goto err_lock; + } + ++ err = ql_adapter_initialize(qdev); ++ if (err) { ++ netdev_err(ndev, "Unable to initialize adapter\n"); ++ goto err_init; ++ } ++ ql_sem_unlock(qdev, QL_DRVR_SEM_MASK); ++ + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); + + set_bit(QL_ADAPTER_UP, &qdev->flags); +diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c +index 5a5db2f09f788..8ed525a063cfb 100644 +--- a/drivers/net/usb/cdc_ncm.c ++++ b/drivers/net/usb/cdc_ncm.c +@@ -175,6 +175,8 @@ static u32 cdc_ncm_check_tx_max(struct usbnet *dev, u32 new_tx) + /* clamp new_tx to sane values */ + min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth16); + max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize)); ++ if (max == 0) ++ max = CDC_NCM_NTB_MAX_SIZE_TX; /* dwNtbOutMaxSize not set */ + + /* some devices set dwNtbOutMaxSize too low for the above default */ + min = min(min, max); +diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c +index 34081f03b1f56..fc55f7e31c4b2 100644 +--- a/drivers/usb/core/config.c ++++ b/drivers/usb/core/config.c +@@ -404,7 +404,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, + * the USB-2 spec requires such endpoints to have wMaxPacketSize = 0 + * (see the end of section 5.6.3), so don't warn about them. + */ +- maxp = usb_endpoint_maxp(&endpoint->desc); ++ maxp = le16_to_cpu(endpoint->desc.wMaxPacketSize); + if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) { + dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n", + cfgno, inum, asnum, d->bEndpointAddress); +@@ -420,9 +420,9 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, + maxpacket_maxes = full_speed_maxpacket_maxes; + break; + case USB_SPEED_HIGH: +- /* Bits 12..11 are allowed only for HS periodic endpoints */ ++ /* Multiple-transactions bits are allowed only for HS periodic endpoints */ + if (usb_endpoint_xfer_int(d) || usb_endpoint_xfer_isoc(d)) { +- i = maxp & (BIT(12) | BIT(11)); ++ i = maxp & USB_EP_MAXP_MULT_MASK; + maxp &= ~i; + } + /* fallthrough */ +diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c +index 438efa36552c8..3d14a316830a6 100644 +--- a/drivers/usb/gadget/composite.c ++++ b/drivers/usb/gadget/composite.c +@@ -1631,6 +1631,18 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) + struct usb_function *f = NULL; + u8 endp; + ++ if (w_length > USB_COMP_EP0_BUFSIZ) { ++ if (ctrl->bRequestType == USB_DIR_OUT) { ++ goto done; ++ } else { ++ /* Cast away the const, we are going to overwrite on purpose. */ ++ __le16 *temp = (__le16 *)&ctrl->wLength; ++ ++ *temp = cpu_to_le16(USB_COMP_EP0_BUFSIZ); ++ w_length = USB_COMP_EP0_BUFSIZ; ++ } ++ } ++ + /* partial re-init of the response message; the function or the + * gadget might need to intercept e.g. a control-OUT completion + * when we delegate to it. +@@ -2171,7 +2183,7 @@ int composite_dev_prepare(struct usb_composite_driver *composite, + if (!cdev->req) + return -ENOMEM; + +- cdev->req->buf = kmalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL); ++ cdev->req->buf = kzalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL); + if (!cdev->req->buf) + goto fail; + +diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c +index 99ca3dabc4f34..f1c5a22704b28 100644 +--- a/drivers/usb/gadget/legacy/dbgp.c ++++ b/drivers/usb/gadget/legacy/dbgp.c +@@ -136,7 +136,7 @@ static int dbgp_enable_ep_req(struct usb_ep *ep) + goto fail_1; + } + +- req->buf = kmalloc(DBGP_REQ_LEN, GFP_KERNEL); ++ req->buf = kzalloc(DBGP_REQ_LEN, GFP_KERNEL); + if (!req->buf) { + err = -ENOMEM; + stp = 2; +@@ -344,6 +344,19 @@ static int dbgp_setup(struct usb_gadget *gadget, + void *data = NULL; + u16 len = 0; + ++ if (length > DBGP_REQ_LEN) { ++ if (ctrl->bRequestType == USB_DIR_OUT) { ++ return err; ++ } else { ++ /* Cast away the const, we are going to overwrite on purpose. */ ++ __le16 *temp = (__le16 *)&ctrl->wLength; ++ ++ *temp = cpu_to_le16(DBGP_REQ_LEN); ++ length = DBGP_REQ_LEN; ++ } ++ } ++ ++ + if (request == USB_REQ_GET_DESCRIPTOR) { + switch (value>>8) { + case USB_DT_DEVICE: +diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c +index de0f3c2c9f6f3..d39bd1a1ab8fc 100644 +--- a/drivers/usb/gadget/legacy/inode.c ++++ b/drivers/usb/gadget/legacy/inode.c +@@ -113,6 +113,8 @@ enum ep0_state { + /* enough for the whole queue: most events invalidate others */ + #define N_EVENT 5 + ++#define RBUF_SIZE 256 ++ + struct dev_data { + spinlock_t lock; + atomic_t count; +@@ -147,7 +149,7 @@ struct dev_data { + struct dentry *dentry; + + /* except this scratch i/o buffer for ep0 */ +- u8 rbuf [256]; ++ u8 rbuf[RBUF_SIZE]; + }; + + static inline void get_dev (struct dev_data *data) +@@ -1336,6 +1338,18 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) + u16 w_value = le16_to_cpu(ctrl->wValue); + u16 w_length = le16_to_cpu(ctrl->wLength); + ++ if (w_length > RBUF_SIZE) { ++ if (ctrl->bRequestType == USB_DIR_OUT) { ++ return value; ++ } else { ++ /* Cast away the const, we are going to overwrite on purpose. */ ++ __le16 *temp = (__le16 *)&ctrl->wLength; ++ ++ *temp = cpu_to_le16(RBUF_SIZE); ++ w_length = RBUF_SIZE; ++ } ++ } ++ + spin_lock (&dev->lock); + dev->setup_abort = 0; + if (dev->state == STATE_DEV_UNCONNECTED) { +diff --git a/fs/signalfd.c b/fs/signalfd.c +index 270221fcef42c..9c5fa0ab5e0fe 100644 +--- a/fs/signalfd.c ++++ b/fs/signalfd.c +@@ -34,17 +34,7 @@ + + void signalfd_cleanup(struct sighand_struct *sighand) + { +- wait_queue_head_t *wqh = &sighand->signalfd_wqh; +- /* +- * The lockless check can race with remove_wait_queue() in progress, +- * but in this case its caller should run under rcu_read_lock() and +- * sighand_cachep is SLAB_DESTROY_BY_RCU, we can safely return. +- */ +- if (likely(!waitqueue_active(wqh))) +- return; +- +- /* wait_queue_t->func(POLLFREE) should do remove_wait_queue() */ +- wake_up_poll(wqh, POLLHUP | POLLFREE); ++ wake_up_pollfree(&sighand->signalfd_wqh); + } + + struct signalfd_ctx { +diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c +index 985cccfcedad9..e00594ad99724 100644 +--- a/fs/tracefs/inode.c ++++ b/fs/tracefs/inode.c +@@ -162,6 +162,77 @@ struct tracefs_fs_info { + struct tracefs_mount_opts mount_opts; + }; + ++static void change_gid(struct dentry *dentry, kgid_t gid) ++{ ++ if (!dentry->d_inode) ++ return; ++ dentry->d_inode->i_gid = gid; ++} ++ ++/* ++ * Taken from d_walk, but without he need for handling renames. ++ * Nothing can be renamed while walking the list, as tracefs ++ * does not support renames. This is only called when mounting ++ * or remounting the file system, to set all the files to ++ * the given gid. ++ */ ++static void set_gid(struct dentry *parent, kgid_t gid) ++{ ++ struct dentry *this_parent; ++ struct list_head *next; ++ ++ this_parent = parent; ++ spin_lock(&this_parent->d_lock); ++ ++ change_gid(this_parent, gid); ++repeat: ++ next = this_parent->d_subdirs.next; ++resume: ++ while (next != &this_parent->d_subdirs) { ++ struct list_head *tmp = next; ++ struct dentry *dentry = list_entry(tmp, struct dentry, d_child); ++ next = tmp->next; ++ ++ spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED); ++ ++ change_gid(dentry, gid); ++ ++ if (!list_empty(&dentry->d_subdirs)) { ++ spin_unlock(&this_parent->d_lock); ++ spin_release(&dentry->d_lock.dep_map, 1, _RET_IP_); ++ this_parent = dentry; ++ spin_acquire(&this_parent->d_lock.dep_map, 0, 1, _RET_IP_); ++ goto repeat; ++ } ++ spin_unlock(&dentry->d_lock); ++ } ++ /* ++ * All done at this level ... ascend and resume the search. ++ */ ++ rcu_read_lock(); ++ascend: ++ if (this_parent != parent) { ++ struct dentry *child = this_parent; ++ this_parent = child->d_parent; ++ ++ spin_unlock(&child->d_lock); ++ spin_lock(&this_parent->d_lock); ++ ++ /* go into the first sibling still alive */ ++ do { ++ next = child->d_child.next; ++ if (next == &this_parent->d_subdirs) ++ goto ascend; ++ child = list_entry(next, struct dentry, d_child); ++ } while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)); ++ rcu_read_unlock(); ++ goto resume; ++ } ++ rcu_read_unlock(); ++ spin_unlock(&this_parent->d_lock); ++ return; ++} ++ + static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts) + { + substring_t args[MAX_OPT_ARGS]; +@@ -194,6 +265,7 @@ static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts) + if (!gid_valid(gid)) + return -EINVAL; + opts->gid = gid; ++ set_gid(tracefs_mount->mnt_root, gid); + break; + case Opt_mode: + if (match_octal(&args[0], &option)) +@@ -411,6 +483,8 @@ struct dentry *tracefs_create_file(const char *name, umode_t mode, + inode->i_mode = mode; + inode->i_fop = fops ? fops : &tracefs_file_operations; + inode->i_private = data; ++ inode->i_uid = d_inode(dentry->d_parent)->i_uid; ++ inode->i_gid = d_inode(dentry->d_parent)->i_gid; + d_instantiate(dentry, inode); + fsnotify_create(dentry->d_parent->d_inode, dentry); + return end_creating(dentry); +@@ -433,6 +507,8 @@ static struct dentry *__create_dir(const char *name, struct dentry *parent, + inode->i_mode = S_IFDIR | S_IRWXU | S_IRUSR| S_IRGRP | S_IXUSR | S_IXGRP; + inode->i_op = ops; + inode->i_fop = &simple_dir_operations; ++ inode->i_uid = d_inode(dentry->d_parent)->i_uid; ++ inode->i_gid = d_inode(dentry->d_parent)->i_gid; + + /* directory inodes start off with i_nlink == 2 (for "." entry) */ + inc_nlink(inode); +diff --git a/include/linux/hid.h b/include/linux/hid.h +index 2ed6850356ead..a07fa623fd0c2 100644 +--- a/include/linux/hid.h ++++ b/include/linux/hid.h +@@ -762,6 +762,22 @@ struct hid_ll_driver { + int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); + }; + ++extern struct hid_ll_driver i2c_hid_ll_driver; ++extern struct hid_ll_driver hidp_hid_driver; ++extern struct hid_ll_driver uhid_hid_driver; ++extern struct hid_ll_driver usb_hid_driver; ++ ++static inline bool hid_is_using_ll_driver(struct hid_device *hdev, ++ struct hid_ll_driver *driver) ++{ ++ return hdev->ll_driver == driver; ++} ++ ++static inline bool hid_is_usb(struct hid_device *hdev) ++{ ++ return hid_is_using_ll_driver(hdev, &usb_hid_driver); ++} ++ + #define PM_HINT_FULLON 1<<5 + #define PM_HINT_NORMAL 1<<1 + +diff --git a/include/linux/wait.h b/include/linux/wait.h +index 2408e8d5c05cc..e022ee95bd45c 100644 +--- a/include/linux/wait.h ++++ b/include/linux/wait.h +@@ -202,6 +202,7 @@ void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key); + void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode, int nr, void *key); + void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, int nr); + void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr); ++void __wake_up_pollfree(wait_queue_head_t *wq_head); + void __wake_up_bit(wait_queue_head_t *, void *, int); + int __wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, wait_bit_action_f *, unsigned); + int __wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, wait_bit_action_f *, unsigned); +@@ -236,6 +237,31 @@ wait_queue_head_t *bit_waitqueue(void *, int); + #define wake_up_interruptible_sync_poll(x, m) \ + __wake_up_sync_key((x), TASK_INTERRUPTIBLE, 1, (void *) (m)) + ++/** ++ * wake_up_pollfree - signal that a polled waitqueue is going away ++ * @wq_head: the wait queue head ++ * ++ * In the very rare cases where a ->poll() implementation uses a waitqueue whose ++ * lifetime is tied to a task rather than to the 'struct file' being polled, ++ * this function must be called before the waitqueue is freed so that ++ * non-blocking polls (e.g. epoll) are notified that the queue is going away. ++ * ++ * The caller must also RCU-delay the freeing of the wait_queue_head, e.g. via ++ * an explicit synchronize_rcu() or call_rcu(), or via SLAB_DESTROY_BY_RCU. ++ */ ++static inline void wake_up_pollfree(wait_queue_head_t *wq_head) ++{ ++ /* ++ * For performance reasons, we don't always take the queue lock here. ++ * Therefore, we might race with someone removing the last entry from ++ * the queue, and proceed while they still hold the queue lock. ++ * However, rcu_read_lock() is required to be held in such cases, so we ++ * can safely proceed with an RCU-delayed free. ++ */ ++ if (waitqueue_active(wq_head)) ++ __wake_up_pollfree(wq_head); ++} ++ + #define ___wait_cond_timeout(condition) \ + ({ \ + bool __cond = (condition); \ +diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c +index 9453efe9b25a6..133afaf05c3f4 100644 +--- a/kernel/sched/wait.c ++++ b/kernel/sched/wait.c +@@ -10,6 +10,7 @@ + #include <linux/wait.h> + #include <linux/hash.h> + #include <linux/kthread.h> ++#include <linux/poll.h> + + void __init_waitqueue_head(wait_queue_head_t *q, const char *name, struct lock_class_key *key) + { +@@ -156,6 +157,13 @@ void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr_exclusive) + } + EXPORT_SYMBOL_GPL(__wake_up_sync); /* For internal use only */ + ++void __wake_up_pollfree(wait_queue_head_t *wq_head) ++{ ++ __wake_up(wq_head, TASK_NORMAL, 0, (void *)(POLLHUP | POLLFREE)); ++ /* POLLFREE must have cleared the queue. */ ++ WARN_ON_ONCE(waitqueue_active(wq_head)); ++} ++ + /* + * Note: we use "set_current_state()" _after_ the wait-queue add, + * because we need a memory barrier there on SMP, so that any +diff --git a/mm/backing-dev.c b/mm/backing-dev.c +index aad61d0175a1c..09f123b3e7eb6 100644 +--- a/mm/backing-dev.c ++++ b/mm/backing-dev.c +@@ -865,6 +865,13 @@ void bdi_unregister(struct backing_dev_info *bdi) + wb_shutdown(&bdi->wb); + cgwb_bdi_destroy(bdi); + ++ /* ++ * If this BDI's min ratio has been set, use bdi_set_min_ratio() to ++ * update the global bdi_min_ratio. ++ */ ++ if (bdi->min_ratio) ++ bdi_set_min_ratio(bdi, 0); ++ + if (bdi->dev) { + bdi_debug_unregister(bdi); + device_unregister(bdi->dev); +diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c +index 9ec37c6c8c4aa..00f25e54119cf 100644 +--- a/net/bluetooth/hidp/core.c ++++ b/net/bluetooth/hidp/core.c +@@ -734,7 +734,7 @@ static void hidp_stop(struct hid_device *hid) + hid->claimed = 0; + } + +-static struct hid_ll_driver hidp_hid_driver = { ++struct hid_ll_driver hidp_hid_driver = { + .parse = hidp_parse, + .start = hidp_start, + .stop = hidp_stop, +@@ -743,6 +743,7 @@ static struct hid_ll_driver hidp_hid_driver = { + .raw_request = hidp_raw_request, + .output_report = hidp_output_report, + }; ++EXPORT_SYMBOL_GPL(hidp_hid_driver); + + /* This function sets up the hid device. It does not add it + to the HID system. That is done in hidp_add_connection(). */ +diff --git a/net/core/neighbour.c b/net/core/neighbour.c +index 2aa5c231560d2..19e6049058d18 100644 +--- a/net/core/neighbour.c ++++ b/net/core/neighbour.c +@@ -597,7 +597,7 @@ struct pneigh_entry * pneigh_lookup(struct neigh_table *tbl, + + ASSERT_RTNL(); + +- n = kmalloc(sizeof(*n) + key_len, GFP_KERNEL); ++ n = kzalloc(sizeof(*n) + key_len, GFP_KERNEL); + if (!n) + goto out; + +diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c +index f326a6ea35fc7..27ad73861a33f 100644 +--- a/net/nfc/netlink.c ++++ b/net/nfc/netlink.c +@@ -1403,8 +1403,10 @@ static int nfc_genl_dump_ses_done(struct netlink_callback *cb) + { + struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0]; + +- nfc_device_iter_exit(iter); +- kfree(iter); ++ if (iter) { ++ nfc_device_iter_exit(iter); ++ kfree(iter); ++ } + + return 0; + } +diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c +index 84ee29c3b1a0b..be5ca6f58e55a 100644 +--- a/sound/core/control_compat.c ++++ b/sound/core/control_compat.c +@@ -281,6 +281,7 @@ static int copy_ctl_value_to_user(void __user *userdata, + struct snd_ctl_elem_value *data, + int type, int count) + { ++ struct snd_ctl_elem_value32 __user *data32 = userdata; + int i, size; + + if (type == SNDRV_CTL_ELEM_TYPE_BOOLEAN || +@@ -297,6 +298,8 @@ static int copy_ctl_value_to_user(void __user *userdata, + if (copy_to_user(valuep, data->value.bytes.data, size)) + return -EFAULT; + } ++ if (copy_to_user(&data32->id, &data->id, sizeof(data32->id))) ++ return -EFAULT; + return 0; + } + +diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c +index c2fb5198d5d56..0ce3f42721c4d 100644 +--- a/sound/core/oss/pcm_oss.c ++++ b/sound/core/oss/pcm_oss.c +@@ -173,7 +173,7 @@ snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params, + * + * Return the maximum value for field PAR. + */ +-static unsigned int ++static int + snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params, + snd_pcm_hw_param_t var, int *dir) + { +@@ -708,18 +708,24 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *oss_params, + struct snd_pcm_hw_params *slave_params) + { +- size_t s; +- size_t oss_buffer_size, oss_period_size, oss_periods; +- size_t min_period_size, max_period_size; ++ ssize_t s; ++ ssize_t oss_buffer_size; ++ ssize_t oss_period_size, oss_periods; ++ ssize_t min_period_size, max_period_size; + struct snd_pcm_runtime *runtime = substream->runtime; + size_t oss_frame_size; + + oss_frame_size = snd_pcm_format_physical_width(params_format(oss_params)) * + params_channels(oss_params) / 8; + ++ oss_buffer_size = snd_pcm_hw_param_value_max(slave_params, ++ SNDRV_PCM_HW_PARAM_BUFFER_SIZE, ++ NULL); ++ if (oss_buffer_size <= 0) ++ return -EINVAL; + oss_buffer_size = snd_pcm_plug_client_size(substream, +- snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL)) * oss_frame_size; +- if (!oss_buffer_size) ++ oss_buffer_size * oss_frame_size); ++ if (oss_buffer_size <= 0) + return -EINVAL; + oss_buffer_size = rounddown_pow_of_two(oss_buffer_size); + if (atomic_read(&substream->mmap_count)) { +@@ -756,7 +762,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, + + min_period_size = snd_pcm_plug_client_size(substream, + snd_pcm_hw_param_value_min(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL)); +- if (min_period_size) { ++ if (min_period_size > 0) { + min_period_size *= oss_frame_size; + min_period_size = roundup_pow_of_two(min_period_size); + if (oss_period_size < min_period_size) +@@ -765,7 +771,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, + + max_period_size = snd_pcm_plug_client_size(substream, + snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL)); +- if (max_period_size) { ++ if (max_period_size > 0) { + max_period_size *= oss_frame_size; + max_period_size = rounddown_pow_of_two(max_period_size); + if (oss_period_size > max_period_size) +@@ -778,7 +784,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, + oss_periods = substream->oss.setup.periods; + + s = snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIODS, NULL); +- if (runtime->oss.maxfrags && s > runtime->oss.maxfrags) ++ if (s > 0 && runtime->oss.maxfrags && s > runtime->oss.maxfrags) + s = runtime->oss.maxfrags; + if (oss_periods > s) + oss_periods = s; +@@ -904,8 +910,15 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream) + err = -EINVAL; + goto failure; + } +- choose_rate(substream, sparams, runtime->oss.rate); +- snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL); ++ ++ err = choose_rate(substream, sparams, runtime->oss.rate); ++ if (err < 0) ++ goto failure; ++ err = snd_pcm_hw_param_near(substream, sparams, ++ SNDRV_PCM_HW_PARAM_CHANNELS, ++ runtime->oss.channels, NULL); ++ if (err < 0) ++ goto failure; + + format = snd_pcm_oss_format_from(runtime->oss.format); + +@@ -2013,7 +2026,7 @@ static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsign + if (runtime->oss.subdivision || runtime->oss.fragshift) + return -EINVAL; + fragshift = val & 0xffff; +- if (fragshift >= 31) ++ if (fragshift >= 25) /* should be large enough */ + return -EINVAL; + runtime->oss.fragshift = fragshift; + runtime->oss.maxfrags = (val >> 16) & 0xffff;
