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usb: gadget: uvc: fix dropped frame after missed isoc 

With the re-use of the previous completion status in 0d1c407b1a749
("usb: dwc3: gadget: Return proper request status") it could be possible
that the next frame would also get dropped if the current frame has a
missed isoc error. Ensure that an interrupt is requested for the start
of a new frame.

Fixes: fc78941d81 ("usb: gadget: uvc: decrease the interrupt load to a quarter")
Cc: <stable@vger.kernel.org>
Signed-off-by: Dan Vacura <w36195@motorola.com>
Link: https://lore.kernel.org/r/20221018215044.765044-2-w36195@motorola.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Vacura 2022-10-18 16:50:37 -05:00 committed by Greg Kroah-Hartman
parent 4db0fbb601
commit 8e8e923a49
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/gadget/function/uvc_video.c
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@ -431,7 +431,8 @@ static void uvcg_video_pump(struct work_struct *work)
/* Endpoint now owns the request */
req = NULL;
video->req_int_count++;
if (buf->state != UVC_BUF_STATE_DONE)
video->req_int_count++;
}
if (!req)