[media] vivi: fix ENUM_FRAMEINTERVALS implementation

This function never checked if width and height are correct. Add such
a check so the v4l2-compliance tool returns OK again for vivi.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

Author: Hans Verkuil

drivers/media/platform/vivi.c

@@ -1121,7 +1121,11 @@ static int vidioc_enum_frameintervals(struct file *file, void *priv,
 	if (!fmt)
 		return -EINVAL;
 
-	/* regarding width & height - we support any */
+	/* check for valid width/height */
+	if (fival->width < 48 || fival->width > MAX_WIDTH || (fival->width & 3))
+		return -EINVAL;
+	if (fival->height < 32 || fival->height > MAX_HEIGHT)
+		return -EINVAL;
 
 	fival->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;