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(parent: ca3df34) | patch
usb: dwc3: gadget: Reclaim extra TRBs after request completion
authorThinh Nguyen <Thinh.Nguyen@synopsys.com>
Thu, 24 Sep 2020 08:21:24 +0000 (01:21 -0700)
committerFelipe Balbi <balbi@kernel.org>
Fri, 2 Oct 2020 06:57:44 +0000 (09:57 +0300)
commit690e5c2dc29f8891fcfd30da67e0d5837c2c9df5
treeb16618c7d6ad51e9b3227e2502df854e58d662d8tree | snapshot
parentca3df3468eec87f6374662f7de425bc44c3810c1commit | diff
usb: dwc3: gadget: Reclaim extra TRBs after request completion

An SG request may be partially completed (due to no available TRBs).
Don't reclaim extra TRBs and clear the needs_extra_trb flag until the
request is fully completed. Otherwise, the driver will reclaim the wrong
TRB.

Cc: stable@vger.kernel.org
Fixes: 1f512119a08c ("usb: dwc3: gadget: add remaining sg entries to ring")
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
drivers/usb/dwc3/gadget.c diff | blob | history
Domain: System / Kernel;