Revert "media: v4l2-ctrls: show all owned controls in log_status"
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Fri, 10 May 2024 07:11:46 +0000 (09:11 +0200)
committerHans Verkuil <hverkuil-cisco@xs4all.nl>
Fri, 10 May 2024 09:20:02 +0000 (11:20 +0200)
commiteba63df7eb1f95df6bfb67722a35372b6994928d
treea9864bee22d3f938841414de33ba2028f0e8b91b
parent6983352784a7b87a9c39dbbfaa33733fa1ccb0a5
Revert "media: v4l2-ctrls: show all owned controls in log_status"

This reverts commit 9801b5b28c6929139d6fceeee8d739cc67bb2739.

This patch introduced a potential deadlock scenario:

[Wed May  8 10:02:06 2024]  Possible unsafe locking scenario:

[Wed May  8 10:02:06 2024]        CPU0                    CPU1
[Wed May  8 10:02:06 2024]        ----                    ----
[Wed May  8 10:02:06 2024]   lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);
[Wed May  8 10:02:06 2024]                                lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);
[Wed May  8 10:02:06 2024]                                lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);
[Wed May  8 10:02:06 2024]   lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);

For now just revert.

Fixes: 9801b5b28c69 ("media: v4l2-ctrls: show all owned controls in log_status")
Cc: stable@vger.kernel.org
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
drivers/media/v4l2-core/v4l2-ctrls-core.c