diff mbox series

[v5,15/26] media: v4l: subdev: Copy argument back to user also for S_ROUTING

Message ID 20230927163212.402025-16-sakari.ailus@linux.intel.com
State Superseded
Headers show
Series Generic line based metadata support, internal pads | expand

Commit Message

Sakari Ailus Sept. 27, 2023, 4:32 p.m. UTC 
As the user needs to know what went wrong for S_ROUTING, copy array
arguments back to the user.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/v4l2-core/v4l2-ioctl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index fb453b7d0c91..6921a72566df 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -3419,7 +3419,8 @@  video_usercopy(struct file *file, unsigned int orig_cmd, unsigned long arg,
 	 * in case of failure, but it is not defined here as part of the
 	 * 'v4l2_ioctls' array, insert an ad-hoc check to address that.
 	 */
-	if (err < 0 && !always_copy && cmd != VIDIOC_SUBDEV_G_ROUTING)
+	if (err < 0 && !always_copy && cmd != VIDIOC_SUBDEV_G_ROUTING &&
+	    cmd != VIDIOC_SUBDEV_S_ROUTING)
 		goto out;
 
 	if (has_array_args) {