1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 9330edb323e2..d8204f4ebbb4 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -1235,7 +1235,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
                         retval = -ERESTARTSYS;
                         break;
                 }
+                tty_unlock();
                 schedule();
+                tty_lock();
         }
         current->state = TASK_RUNNING;
         remove_wait_queue(&info->open_wait, &wait);