diff options
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 831c69c958b8..d00d27d49060 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -2504,6 +2504,10 @@ int v4l2_subdev_s_stream_helper(struct v4l2_subdev *sd, int enable) u64 source_mask = 0; int pad_index = -1; + if (WARN_ON(!v4l2_subdev_has_op(sd, pad, enable_streams) || + !v4l2_subdev_has_op(sd, pad, disable_streams))) + return -ENOIOCTLCMD; + /* * Find the source pad. This helper is meant for subdevs that have a * single source pad, so failures shouldn't happen, but catch them |