diff options
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 2e927ec336e5..e9f81b9be9e2 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -1019,6 +1019,9 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg, if (!(sd->flags & V4L2_SUBDEV_FL_STREAMS)) return -ENOIOCTLCMD; + if (!client_supports_streams) + return -EINVAL; + memset(routing->reserved, 0, sizeof(routing->reserved)); v4l2_subdev_copy_routes(routing, state); @@ -1040,6 +1043,9 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg, if (!(sd->flags & V4L2_SUBDEV_FL_STREAMS)) return -ENOIOCTLCMD; + if (!client_supports_streams) + return -EINVAL; + if (routing->which != V4L2_SUBDEV_FORMAT_TRY && ro_subdev) return -EPERM; |