V4L/DVB (8904): cx88: add missing unlock_kernel

sparse found an unbalanced BKL usage.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 9a1374a38ec7..6b922066a660 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -1070,6 +1070,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
                 err = drv->request_acquire(drv);
                 if(err != 0) {
                         dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
+                        unlock_kernel();
                         return err;
                 }
         }