diff --git a/[refs] b/[refs]
index 42a3892270a5..06877b699707 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e6114fa1d1d6a588766f28081b971047dd3e5def
+refs/heads/master: 77945febbe60a69e9dcab7f49d33a1aa1e436973
diff --git a/trunk/drivers/char/tty_io.c b/trunk/drivers/char/tty_io.c
index 6da962c9b21c..d71f0fc34b46 100644
--- a/trunk/drivers/char/tty_io.c
+++ b/trunk/drivers/char/tty_io.c
@@ -1875,6 +1875,7 @@ static int tty_open(struct inode *inode, struct file *filp)
 		 */
 		if (filp->f_op == &hung_up_tty_fops)
 			filp->f_op = &tty_fops;
+		unlock_kernel();
 		goto retry_open;
 	}
 	unlock_kernel();