[media] stk1160: unlock on error path stk1160_set_alternate()

There are some unlocks missing on error.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index 360bdbee4270..1ad4ac187727 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -159,8 +159,9 @@ static bool stk1160_set_alternate(struct stk1160 *dev)
 
 static int stk1160_start_streaming(struct stk1160 *dev)
 {
-        int i, rc;
         bool new_pkt_size;
+        int rc = 0;
+        int i;
 
         /* Check device presence */
         if (!dev->udev)
@@ -183,7 +184,7 @@ static int stk1160_start_streaming(struct stk1160 *dev)
         if (!dev->isoc_ctl.num_bufs || new_pkt_size) {
                 rc = stk1160_alloc_isoc(dev);
                 if (rc < 0)
-                        return rc;
+                        goto out_unlock;
         }
 
         /* submit urbs and enables IRQ */
@@ -192,7 +193,7 @@ static int stk1160_start_streaming(struct stk1160 *dev)
                 if (rc) {
                         stk1160_err("cannot submit urb[%d] (%d)\n", i, rc);
                         stk1160_uninit_isoc(dev);
-                        return rc;
+                        goto out_unlock;
                 }
         }
 
@@ -205,9 +206,10 @@ static int stk1160_start_streaming(struct stk1160 *dev)
 
         stk1160_dbg("streaming started\n");
 
+out_unlock:
         mutex_unlock(&dev->v4l_lock);
 
-        return 0;
+        return rc;
 }
 
 /* Must be called with v4l_lock hold */