1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c
index 2a80caa54fb4..43b05a7ecdce 100644
--- a/drivers/media/video/uvc/uvc_v4l2.c
+++ b/drivers/media/video/uvc/uvc_v4l2.c
@@ -648,7 +648,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
         case VIDIOC_S_INPUT:
         {
-                u8 input = *(u32 *)arg + 1;
+                u32 input = *(u32 *)arg + 1;
 
                 if ((ret = uvc_acquire_privileges(handle)) < 0)
                         return ret;
@@ -660,7 +660,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                         break;
                 }
 
-                if (input > video->selector->selector.bNrInPins)
+                if (input == 0 || input > video->selector->selector.bNrInPins)
                         return -EINVAL;
 
                 return uvc_query_ctrl(video->dev, SET_CUR, video->selector->id,