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(parent: 61aa709) | patch
usb: gadget: uvc: giveback vb2 buffer on req complete
authorMichael Grzeschik <m.grzeschik@pengutronix.de>
Sat, 2 Apr 2022 23:27:43 +0000 (01:27 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Apr 2022 16:15:33 +0000 (18:15 +0200)
commit9b969f93bcef9b3d9e92f1810e22bbd6c344a0e5
treed1c7ac5ef3211fde1a40221837a75acdd87248a9tree | snapshot
parent61aa709ca58a0dbeeb817bfa9230c1a92979f2c6commit | diff
usb: gadget: uvc: giveback vb2 buffer on req complete

On uvc_video_encode_isoc_sg the mapped vb2 buffer is returned
to early. Only after the last usb_request worked with the buffer
it is allowed to give it back to vb2. This patch fixes that.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220402232744.3622565-3-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/uvc.h diff | blob | blame | history
drivers/usb/gadget/function/uvc_queue.c diff | blob | blame | history
drivers/usb/gadget/function/uvc_video.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)