V4L/DVB (13955): cx25821: fix double unlock in medusa_video_init()

medusa_set_videostandard() takes the lock but it always drops it before
returning.

This was found with a static checker and compile tested only.  :/

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/staging/cx25821/cx25821-medusa-video.c b/drivers/staging/cx25821/cx25821-medusa-video.c
index e4df8134f059..1eb079b3d429 100644
--- a/drivers/staging/cx25821/cx25821-medusa-video.c
+++ b/drivers/staging/cx25821/cx25821-medusa-video.c
@@ -860,10 +860,8 @@ int medusa_video_init(struct cx25821_dev *dev)
 
         ret_val = medusa_set_videostandard(dev);
 
-        if (ret_val < 0) {
-                mutex_unlock(&dev->lock);
+        if (ret_val < 0)
                 return -EINVAL;
-        }
 
         return 1;
 }