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Commit 31c5f0c5 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
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[media] uvcvideo: Fix ENUMINPUT handling 



Properly validate the user-supplied index against the number of inputs.
The code used the pin local variable instead of the index by mistake.

Reported-by: default avatarJozef Vesely <vesely@gjh.sk>
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent aeebb1b3

drivers/media/video/uvc/uvc_v4l2.c

+1 −1
Original line number Diff line number Diff line
@@ -694,7 +694,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) 
					break;

			}

			pin = iterm->id;

		} else if (pin < selector->bNrInPins) {

		} else if (index < selector->bNrInPins) {

			pin = selector->baSourceID[index];

			list_for_each_entry(iterm, &chain->entities, chain) {

				if (!UVC_ENTITY_IS_ITERM(iterm))