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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2018-06-04 14:22:28 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-06-05 16:50:48 +0300 |
| commit | 5983d3bca5282b6785473434894933fa908ef693 (patch) | |
| tree | 7123fe5e6fcb1306b1f839c1da5475c3937af56d /drivers/media/v4l2-core | |
| parent | 8cbc3a856fc6acee31f9820a566a9625776b68ee (diff) | |
| download | linux-5983d3bca5282b6785473434894933fa908ef693.tar.xz | |
media: v4l2-ioctl.c: fix missing unlock in __video_do_ioctl()
If dev_debug was active, then the code could return without unlocking the
core mutex. Replace the return with a 'goto unlock' to ensure proper unlocking.
Fixes: 73a110623e7b ("v4l2-core: push taking ioctl mutex down to ioctl handler")
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 965fd301f617..dd210067151f 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -2777,7 +2777,7 @@ done: if (dev_debug & (V4L2_DEV_DEBUG_IOCTL | V4L2_DEV_DEBUG_IOCTL_ARG)) { if (!(dev_debug & V4L2_DEV_DEBUG_STREAMING) && (cmd == VIDIOC_QBUF || cmd == VIDIOC_DQBUF)) - return ret; + goto unlock; v4l_printk_ioctl(video_device_node_name(vfd), cmd); if (ret < 0) |