pty: Don't drop pty master tty lock to hangup slave

[firefly-linux-kernel-4.4.55.git] / drivers / tty / pty.c

diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 11db7dc8676b6d493cbf1acfd35039a730f8205b..bee9776730fd76ae2ddf2d9650d8f55441d0d8c5 100644 (file)
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -66,9 +66,7 @@ static void pty_close(struct tty_struct *tty, struct file *filp)
                        mutex_unlock(&devpts_mutex);
                }
 #endif
-               tty_unlock(tty);
                tty_vhangup(tty->link);
-               tty_lock(tty);
        }
 }