From 8cb28417dd2ce46938fea9aca9f56fb1f7b1934a Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 18 Nov 2021 08:19:09 +0100 Subject: [PATCH] tty: remove tty NULL check from __do_SAK() Both do_SAK_work() and vc_SAK() provide a valid tty to __do_SAK(), so remove the check. Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20211118071911.12059-3-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman --- drivers/tty/tty_io.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 829944d..8e653bb4 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -3033,9 +3033,6 @@ void __do_SAK(struct tty_struct *tty) int i; unsigned long flags; - if (!tty) - return; - spin_lock_irqsave(&tty->ctrl.lock, flags); session = get_pid(tty->ctrl.session); spin_unlock_irqrestore(&tty->ctrl.lock, flags); -- 2.7.4