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-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index d2dc7e557c35..aa407cb5f830 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -901,6 +901,8 @@ static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
*/
if (!allow_priv && c->ctrl_class == V4L2_CID_PRIVATE_BASE)
return 0;
+ if (c->ctrl_class == 0)
+ return 1;
/* Check that all controls are from the same control class. */
for (i = 0; i < c->count; i++) {
if (V4L2_CTRL_ID2CLASS(c->controls[i].id) != c->ctrl_class) {