From 1bb954153aa97702db4363c6746794d097d9c707 Mon Sep 17 00:00:00 2001 From: Peter Hurley Date: Wed, 5 Nov 2014 12:13:04 -0500 Subject: pty: Don't drop pty master tty lock to hangup slave With the revised tty lock order and lockdep annotation, claiming the pty slave lock is now safe while still holding the pty master lock. Signed-off-by: Peter Hurley Signed-off-by: Greg Kroah-Hartman --- drivers/tty/pty.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 11db7dc8676b..bee9776730fd 100644 --- 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); } } -- cgit v1.2.3-58-ga151