An earlier commit removed the lock_kernel/unlock_kernel pair but forgot
to remove the unlock_kernel call in the cleanup path at the end of the
function.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
dprintk("open dev=%s\n", video_device_node_name(vdev));
err = -EBUSY;
if (!mutex_trylock(&dev->empress_tsq.vb_lock))
- goto done;
+ return err;
if (atomic_read(&dev->empress_users))
- goto done_up;
+ goto done;
/* Unmute audio */
saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
file->private_data = dev;
err = 0;
-done_up:
- mutex_unlock(&dev->empress_tsq.vb_lock);
done:
- unlock_kernel();
+ mutex_unlock(&dev->empress_tsq.vb_lock);
return err;
}