linux-kernel - [PATCH 07/19] mxser: remove tty->driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20211118073125.12283-8-jslaby@suse.cz>
Date:   Thu, 18 Nov 2021 08:31:13 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 07/19] mxser: remove tty->driver_data NULL check

Noone sets tty->driver_data to NULL in the driver, so there is no point
to check that in mxser_close(). Remove the check.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/tty/mxser.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 6e5e1c74bf3e..6b47a0607f59 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -905,8 +905,6 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
 	struct mxser_port *info = tty->driver_data;
 	struct tty_port *port = &info->port;
 
-	if (info == NULL)
-		return;
 	if (tty_port_close_start(port, tty, filp) == 0)
 		return;
 	mutex_lock(&port->mutex);
-- 
2.33.1