[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: Jozef Vesely <vesely@gjh.sk> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -694,7 +694,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
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break;
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}
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pin = iterm->id;
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} else if (pin < selector->bNrInPins) {
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} else if (index < selector->bNrInPins) {
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pin = selector->baSourceID[index];
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list_for_each_entry(iterm, &chain->entities, chain) {
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if (!UVC_ENTITY_IS_ITERM(iterm))
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