microsoft
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WSL2-Linux-Kernel
зеркало из https://github.com/microsoft/WSL2-Linux-Kernel.git
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WSL2-Linux-Kernel/drivers/usb/host
История
Sarah Sharp 44ebd037c5 USB: xhci: Fix check for room on the ring. 
The length of the scatter gather list a driver can enqueue is limited by
the bus' sg_tablesize to 62 entries.  Each entry will be described by at
least one transfer request block (TRB).  If the entry's buffer crosses a
64KB boundary, then that entry will have to be described by two or more
TRBs.  So even if the USB device driver respects sg_tablesize, the whole
scatter list may take more than 62 TRBs to describe, and won't fit on
the ring.

Don't assume that an empty ring means there is enough room on the
transfer ring.  The old code would unconditionally queue this too-large
transfer, and over write the beginning of the transfer.  This would mean
the cycle bit was unchanged in those overwritten transfers, causing the
hardware to think it didn't own the TRBs, and the host would seem to
hang.

Now drivers may see submit_urb() fail with -ENOMEM if the transfers are
too big to fit on the ring.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 		2010-05-20 13:21:30 -07:00
..
whci include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
Kconfig USB: MXC: Add i.MX21 specific USB host controller driver. 2010-03-02 14:52:55 -08:00
Makefile USB: xhci: rename driver to xhci_hcd 2010-03-19 07:24:08 -07:00
ehci-atmel.c USB: ehci-atmel.c: use resource_size() 2010-03-02 14:53:18 -08:00
ehci-au1xxx.c USB: ehci-au1xxx.c: use platform_get_resource() and resource_size() 2010-03-02 14:53:18 -08:00
ehci-dbg.c USB: EHCI: split ehci_qh into hw and sw parts 2009-09-23 06:46:29 -07:00
ehci-fsl.c USB: ehci-fsl: Add power management support 2010-03-02 14:53:15 -08:00
ehci-fsl.h
…
ehci-hcd.c USB: EHCI: defer reclamation of siTDs 2010-04-22 15:18:28 -07:00
ehci-hub.c usb: Increase timeout value for device reset 2010-04-22 15:18:29 -07:00
ehci-ixp4xx.c USB: EHCI: use the new clear_tt_buffer interface 2009-07-12 15:16:39 -07:00
ehci-mem.c USB: EHCI: defer reclamation of siTDs 2010-04-22 15:18:28 -07:00
ehci-mxc.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ehci-omap.c USB: ehci: omap: fix kernel panic with rmmod 2010-04-22 15:18:21 -07:00
ehci-orion.c USB: ehci-orion.c: use resource_size() 2010-03-02 14:53:17 -08:00
ehci-pci.c USB: work around for EHCI with quirky periodic schedules 2009-11-30 16:43:16 -08:00
ehci-ppc-of.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ehci-ps3.c USB: EHCI: use the new clear_tt_buffer interface 2009-07-12 15:16:39 -07:00
ehci-q.c USB: EHCI: fix handling of unusual interrupt intervals 2010-01-20 15:24:34 -08:00
ehci-sched.c USB: EHCI: defer reclamation of siTDs 2010-04-22 15:18:28 -07:00
ehci-w90x900.c USB: Add nuvoton Ehci driver for w90p910 platform 2009-09-23 06:46:20 -07:00
ehci-xilinx-of.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ehci.h USB: EHCI: defer reclamation of siTDs 2010-04-22 15:18:28 -07:00
fhci-dbg.c USB: FHCI: use the new usb debugfs directory 2009-06-15 21:44:43 -07:00
fhci-hcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fhci-hub.c USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
fhci-mem.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fhci-q.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fhci-sched.c kfifo: move struct kfifo in place 2009-12-22 14:17:55 -08:00
fhci-tds.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fhci.h kfifo: rename kfifo_put... into kfifo_in... and kfifo_get... into kfifo_out... 2009-12-22 14:17:56 -08:00
hwa-hc.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
imx21-dbg.c USB: MXC: Add i.MX21 specific USB host controller driver. 2010-03-02 14:52:55 -08:00
imx21-hcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
imx21-hcd.h USB: MXC: Add i.MX21 specific USB host controller driver. 2010-03-02 14:52:55 -08:00
isp116x-hcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
isp116x.h USB: add missing KERN_* constants to printks 2009-03-24 16:20:30 -07:00
isp1362-hcd.c USB: remove obsolete config in kernel source (USB_HCD_DMA) 2010-03-02 14:54:37 -08:00
isp1362.h USB: FIX bitfield istl_flip:1, make it unsigned. 2009-12-11 11:55:20 -08:00
isp1760-hcd.c USB: isp1760: Flush the D-cache for the pipe-in transfer buffers 2010-03-02 14:54:53 -08:00
isp1760-hcd.h USB: isp1760: allow platform devices to customize devflags 2009-09-23 06:46:29 -07:00
isp1760-if.c USB host: make Open Firmware device id constant 2010-03-02 14:54:18 -08:00
ohci-at91.c USB: ohci-at91: fix power management hanging 2010-04-30 09:25:12 -07:00
ohci-au1xxx.c const: constify remaining dev_pm_ops 2009-12-15 08:53:25 -08:00
ohci-da8xx.c USB: OHCI: DA8xx/OMAP-L1x: fix up macro rename 2010-04-22 15:18:24 -07:00
ohci-dbg.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-ep93xx.c USB: ohci-ep93xx.c: remove unused variable 2009-09-23 06:46:34 -07:00
ohci-hcd.c USB: OHCI: DA8xx/OMAP-L1x glue layer 2010-03-02 14:55:06 -08:00
ohci-hub.c USB: OHCI: don't look at the root hub to get the number of ports 2010-04-30 09:25:10 -07:00
ohci-lh7a404.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-mem.c
…
ohci-omap.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
ohci-pci.c USB: ohci: quirk AMD prefetch for USB 1.1 ISO transfer 2009-11-17 16:46:33 -08:00
ohci-pnx4008.c USB: fix I2C API usage in ohci-pnx4008. 2010-03-02 14:55:15 -08:00
ohci-pnx8550.c
…
ohci-ppc-of.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-ppc-soc.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-ps3.c usb/ps3: Add missing annotations 2009-06-16 14:17:32 +10:00
ohci-pxa27x.c const: constify remaining dev_pm_ops 2009-12-15 08:53:25 -08:00
ohci-q.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ohci-s3c2410.c USB: S3C: Move usb-control.h to platform include 2009-03-24 16:20:45 -07:00
ohci-sa1111.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-sh.c
…
ohci-sm501.c
…
ohci-ssb.c
…
ohci-tmio.c usb: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-07 09:59:52 -08:00
ohci.h USB: ohci: quirk AMD prefetch for USB 1.1 ISO transfer 2009-11-17 16:46:33 -08:00
oxu210hp-hcd.c USB: oxu210hp: release spinlock on error path 2010-04-30 09:25:11 -07:00
oxu210hp.h USB: replace uses of __constant_{endian} 2009-03-24 16:20:33 -07:00
pci-quirks.c Revert "USB: Work around BIOS bugs by quiescing USB controllers earlier" 2009-10-11 15:57:57 -07:00
pci-quirks.h
…
r8a66597-hcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
r8a66597.h usb: move r8a66597 register defines 2009-07-23 13:04:10 +09:00
sl811-hcd.c USB: sl811-hcd: Fix device disconnect 2010-04-30 09:25:12 -07:00
sl811.h
…
sl811_cs.c pcmcia: rework the irq_req_t typedef 2009-11-28 18:03:14 +01:00
u132-hcd.c
…
uhci-debug.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
uhci-hcd.c USB: fix crash in uhci_scan_schedule 2010-03-02 14:54:12 -08:00
uhci-hcd.h USB: replace uses of __constant_{endian} 2009-03-24 16:20:33 -07:00
uhci-hub.c USB: add missing delay during remote wakeup 2010-01-20 15:24:34 -08:00
uhci-q.c USB: uhci: rm repeatedly evaluation for urbp->qh 2009-09-23 06:46:30 -07:00
xhci-dbg.c USB: xhci: Fix compile issues with xhci_get_slot_state() 2010-03-02 14:54:01 -08:00
xhci-ext-caps.h USB: xhci: Fix finding extended capabilities registers 2010-03-02 14:55:02 -08:00
xhci-hub.c USB: xhci: Allow roothub ports to be disabled. 2010-03-02 14:53:12 -08:00
xhci-mem.c USB: xhci: properly set endpoint context fields for periodic eps. 2010-04-30 09:25:10 -07:00
xhci-pci.c USB: xhci: Limit bus sg_tablesize to 62 TRBs. 2010-05-20 13:21:30 -07:00
xhci-ring.c USB: xhci: Fix check for room on the ring. 2010-05-20 13:21:30 -07:00
xhci.c USB: xhci: Fix issue with set interface after stall. 2010-05-20 13:21:30 -07:00
xhci.h USB: xhci: properly set endpoint context fields for periodic eps. 2010-04-30 09:25:10 -07:00