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585df1d90c
linux/drivers/usb/host
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Sarah Sharp 585df1d90c xhci: Remove TDs from TD lists when URBs are canceled. 
When a driver tries to cancel an URB, and the host controller is dying,
xhci_urb_dequeue will giveback the URB without removing the xhci_tds
that comprise that URB from the td_list or the cancelled_td_list.  This
can cause a race condition between the driver calling URB dequeue and
the stop endpoint command watchdog timer.

If the timer fires on a dying host, and a driver attempts to resubmit
while the watchdog timer has dropped the xhci->lock to giveback a
cancelled URB, URBs may be given back by the xhci_urb_dequeue() function.
At that point, the URB's priv pointer will be freed and set to NULL, but
the TDs will remain on the td_list.  This will cause an oops in
xhci_giveback_urb_in_irq() when the watchdog timer attempts to loop
through the endpoints' td_lists, giving back killed URBs.

Make sure that xhci_urb_dequeue() removes TDs from the TD lists and
canceled TD lists before it gives back the URB.

This patch should be backported to kernels as old as 2.6.36.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Andiry Xu <andiry.xu@amd.com>
Cc: stable@kernel.org
2011-08-09 14:49:25 -07:00
..
whci treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-ath79.c Merge branch 'master' into for-next 2011-07-11 14:15:55 +02:00
ehci-atmel.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-au1xxx.c USB: ehci-au1xxx: fix suspend callback 2011-05-06 18:16:39 -07:00
ehci-cns3xxx.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-dbg.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-fsl.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-fsl.h USB: ehci-fsl: add MPC5121E specific suspend and resume 2011-05-02 16:59:36 -07:00
ehci-grlib.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-hcd.c Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2011-07-25 23:08:32 -07:00
ehci-hub.c USB: EHCI: Fix test mode sequence 2011-08-08 12:34:47 -07:00
ehci-ixp4xx.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-lpm.c USB: Mark EHCI LPM functions as __maybe_unused 2011-02-17 10:47:55 -08:00
ehci-mem.c
ehci-msm.c ehci-msm : use ehci_setup 2011-07-08 14:51:29 -07:00
ehci-mxc.c usb/ehci-mxc: add missing inclusion of mach/hardware.h 2011-08-08 12:34:45 -07:00
ehci-octeon.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-omap.c usb: host: ehci-omap: fix .remove and failure handling path of .probe(v1) 2011-08-01 22:06:48 +03:00
ehci-orion.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-pci.c Intel xhci: Support EHCI/xHCI port switching. 2011-05-27 12:07:36 -07:00
ehci-pmcmsp.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-ppc-of.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-ps3.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-q.c EHCI: fix direction handling for interrupt data toggles 2011-07-19 11:25:45 -07:00
ehci-s5p.c USB: ehci-s5p: add PM support 2011-06-06 16:32:36 -07:00
ehci-sched.c USB: EHCI: Allow users to override 80% max periodic bandwidth 2011-07-08 14:51:33 -07:00
ehci-sh.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-spear.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-sysfs.c USB: EHCI: Allow users to override 80% max periodic bandwidth 2011-07-08 14:51:33 -07:00
ehci-tegra.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-vt8500.c USB: EHCI: Support controllers with big endian capability regs 2011-05-03 11:43:21 -07:00
ehci-w90x900.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-xilinx-of.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci.h EHCI: fix direction handling for interrupt data toggles 2011-07-19 11:25:45 -07:00
fhci-dbg.c
fhci-hcd.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
fhci-hub.c
fhci-mem.c
fhci-q.c
fhci-sched.c
fhci-tds.c Fix common misspellings 2011-03-31 11:26:23 -03:00
fhci.h Fix common misspellings 2011-03-31 11:26:23 -03:00
fsl-mph-dr-of.c
hwa-hc.c
imx21-dbg.c treewide: fix a few typos in comments 2011-05-10 10:16:21 +02:00
imx21-hcd.c Fix common misspellings 2011-03-31 11:26:23 -03:00
imx21-hcd.h
isp116x-hcd.c USB: remove remaining usages of hcd->state from usbcore and fix regression 2011-05-19 16:34:04 -07:00
isp116x.h Fix common misspellings 2011-03-31 11:26:23 -03:00
isp1362-hcd.c sanitize <linux/prefetch.h> usage 2011-05-20 12:50:29 -07:00
isp1362.h
isp1760-hcd.c usb/isp1760: Added missing call to usb_hcd_check_unlink_urb() during unlink 2011-08-08 12:34:48 -07:00
isp1760-hcd.h usb/isp1760: Improve urb queueing, get rid of BUG():s in normal code paths 2011-05-02 17:03:50 -07:00
isp1760-if.c dt/usb: Eliminate users of of_platform_{,un}register_driver 2011-02-28 13:22:45 -07:00
Kconfig USB: UHCI: Support big endian GRUSBHC HC 2011-05-19 16:45:32 -07:00
Makefile
octeon2-common.c usb: Configure octeon2 glue logic for proper uSOF cycle period. 2011-05-03 10:09:32 -07:00
ohci-at91.c
ohci-ath79.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-au1xxx.c USB: ohci-au1xxx: fix warning "__BIG_ENDIAN" is not defined 2011-04-13 15:44:03 -07:00
ohci-cns3xxx.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-da8xx.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-dbg.c
ohci-ep93xx.c
ohci-hcd.c USB: change maintainership of ohci-hcd and ehci-hcd 2011-06-15 17:44:56 -07:00
ohci-hub.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
ohci-jz4740.c
ohci-mem.c
ohci-octeon.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-omap3.c usb: host: omap: ehci and ohci simplification 2011-03-01 17:02:49 +02:00
ohci-omap.c
ohci-pci.c OHCI: fix regression caused by nVidia shutdown workaround 2011-05-17 11:20:23 -07:00
ohci-pnx4008.c
ohci-pnx8550.c
ohci-ppc-of.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-ppc-soc.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-ps3.c
ohci-pxa27x.c drivers/usb/host/ohci-pxa27x.c: add missing clk_put 2011-06-07 09:07:47 -07:00
ohci-q.c USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
ohci-s3c2410.c USB: ohci-s3c2410: return proper error if clk_get fails 2011-05-06 18:16:40 -07:00
ohci-sa1111.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-sh.c usb: update email address in ohci-sh and r8a66597-hcd 2011-07-08 14:57:12 -07:00
ohci-sm501.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-spear.c
ohci-ssb.c Update my e-mail address 2011-07-07 15:18:01 +02:00
ohci-tmio.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci.h Merge branch 'remove' of master.kernel.org:/home/rmk/linux-2.6-arm 2011-03-16 19:05:40 -07:00
oxu210hp-hcd.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
oxu210hp.h
pci-quirks.c usb/host/pci-quirks.c: correct annotation of `ehci_dmi_nohandoff_table' 2011-08-08 14:00:14 -07:00
pci-quirks.h Intel xhci: Support EHCI/xHCI port switching. 2011-05-27 12:07:36 -07:00
r8a66597-hcd.c Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2011-07-25 23:08:32 -07:00
r8a66597.h usb: r8a66597-hcd: add function for external controller 2011-07-08 14:57:11 -07:00
sl811_cs.c pcmcia: Convert pcmcia_device_id declarations to const 2011-05-06 07:46:22 +02:00
sl811-hcd.c Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2011-05-23 12:33:02 -07:00
sl811.h
u132-hcd.c usb: u132-hcd: Drop __TIME__ usage 2011-04-13 16:36:06 -07:00
uhci-debug.c USB: UHCI: Add support for big endian descriptors 2011-05-19 16:43:20 -07:00
uhci-grlib.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
uhci-hcd.c Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2011-05-23 12:33:02 -07:00
uhci-hcd.h USB: UHCI: Add support for big endian descriptors 2011-05-19 16:43:20 -07:00
uhci-hub.c USB: UHCI: Wrap I/O register accesses 2011-05-06 18:24:01 -07:00
uhci-pci.c USB: UHCI: Move PCI specific functions to uhci-pci.c 2011-05-06 18:24:00 -07:00
uhci-q.c USB: UHCI: Add support for big endian descriptors 2011-05-19 16:43:20 -07:00
xhci-dbg.c Merge 3.0-rc2 into usb-linus as it's needed by some USB patches 2011-06-14 06:51:23 -07:00
xhci-ext-caps.h xHCI: prolong host controller halt time limit 2011-03-13 18:07:09 -07:00
xhci-hub.c xHCI: report USB2 port in resuming as suspend 2011-08-09 14:44:50 -07:00
xhci-mem.c Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2011-07-25 23:08:32 -07:00
xhci-pci.c xhci: Add reset on resume quirk for asrock p67 host 2011-06-17 11:28:19 -07:00
xhci-ring.c xhci: Remove TDs from TD lists when URBs are canceled. 2011-08-09 14:49:25 -07:00
xhci.c xhci: Remove TDs from TD lists when URBs are canceled. 2011-08-09 14:49:25 -07:00
xhci.h Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2011-07-25 23:08:32 -07:00