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9f45581f5e
linux/drivers/usb/dwc3
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Felipe Balbi 9f45581f5e usb: dwc3: gadget: early giveback if End Transfer already completed 
There is a rare race condition that may happen during a Disconnect
Interrupt if we have a started request that happens to be
dequeued *after* completion of End Transfer command. If that happens,
that request will be left waiting for completion of an End Transfer
command that will never happen.

If End Transfer command has already completed before, we are safe to
giveback the request straight away.

Tested-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2019-02-04 08:46:01 +02:00
..
core.c usb: dwc3: Add workaround for isoc start transfer failure 2018-11-26 09:06:32 +02:00
core.h usb: dwc3: gadget: remove req->started flag 2019-01-28 12:53:15 +02:00
debug.h usb: dwc3: debugfs: Properly print/set link state for HS 2018-11-26 09:06:31 +02:00
debugfs.c usb: dwc3: debugfs: Print/set link state for peripheral mode 2018-11-26 09:06:31 +02:00
drd.c usb: dwc3: drd: Add support for DR detection through extcon 2018-11-26 09:06:32 +02:00
dwc3-exynos.c usb: dwc3: exynos: Add support for Exynos5433 variant with all clocks 2018-10-02 10:33:01 +03:00
dwc3-haps.c PCI: Move Synopsys HAPS platform device IDs 2018-12-17 16:24:39 -06:00
dwc3-keystone.c usb: dwc3: keystone: Add support for ti,am654-dwc3 2019-01-28 12:51:29 +02:00
dwc3-of-simple.c usb: dwc3: of-simple: avoid unused function warnings 2018-08-29 09:59:37 +03:00
dwc3-omap.c usb: dwc3: omap: don't miss events during suspend/resume 2018-02-12 10:53:18 +02:00
dwc3-pci.c Revert "usb: dwc3: pci: Use devm functions to get the phy GPIOs" 2018-12-07 08:13:32 +02:00
dwc3-qcom.c usb: dwc3: qcom: Add support for MSM8998 2019-01-28 12:51:29 +02:00
dwc3-st.c USB: dwc3: Remove redundant license text 2017-11-07 15:45:01 +01:00
ep0.c usb: dwc3: gadget: remove redundant variable maxpacket 2018-07-13 15:41:56 +02:00
gadget.c usb: dwc3: gadget: early giveback if End Transfer already completed 2019-02-04 08:46:01 +02:00
gadget.h usb: dwc3: gadget: remove req->started flag 2019-01-28 12:53:15 +02:00
host.c usb: dwc3: Support option to disable USB2 LPM 2018-11-26 09:06:31 +02:00
io.h USB: dwc3: Remove redundant license text 2017-11-07 15:45:01 +01:00
Kconfig usb: dwc3: keystone: Add support for ti,am654-dwc3 2019-01-28 12:51:29 +02:00
Makefile usb: dwc3: Add a glue driver for Synopsys HAPS platform 2018-07-26 13:47:51 +03:00
trace.c USB: dwc3: Remove redundant license text 2017-11-07 15:45:01 +01:00
trace.h usb: dwc3: trace: add missing break statement to make compiler happy 2018-12-07 07:30:18 +02:00
ulpi.c USB: dwc3: Remove redundant license text 2017-11-07 15:45:01 +01:00