media: v4l2-ioctl.c: fix missing unlock in __video_do_ioctl()
authorHans Verkuil <hverkuil@xs4all.nl>
Mon, 4 Jun 2018 11:22:28 +0000 (07:22 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Tue, 5 Jun 2018 13:50:48 +0000 (09:50 -0400)
commit5983d3bca5282b6785473434894933fa908ef693
tree7123fe5e6fcb1306b1f839c1da5475c3937af56d
parent8cbc3a856fc6acee31f9820a566a9625776b68ee
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>
drivers/media/v4l2-core/v4l2-ioctl.c