diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-03-21 09:50:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-05-08 13:45:53 -0300 |
| commit | 31c5f0c5e25ed71eeced170f113bb590f2f1f6f3 (patch) | |
| tree | 73100c9b4f3fcf2fd556e0ed12a1707f3576a302 /drivers/media/video/uvc | |
| parent | aeebb1b3146a70bf02d0115a2be690d856d12e8c (diff) | |
[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>
Diffstat (limited to 'drivers/media/video/uvc')
| -rw-r--r-- | drivers/media/video/uvc/uvc_v4l2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index a3322ed81e3..759bef8897e 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -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)) |