V4L/DVB: saa7134: remove stray unlock_kernel

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>

diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index 7dfecfc..ee5bff0 100644 (file)
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -93,9 +93,9 @@ static int ts_open(struct file *file)
        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,
@@ -105,10 +105,8 @@ static int ts_open(struct file *file)
        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;
 }