linux-kernel - [PATCH 05/10] can: slcan: remove casts from tty->disc

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: <20230731080244.2698-6-jirislaby@kernel.org>
Date:   Mon, 31 Jul 2023 10:02:39 +0200
From:   "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org
Subject: [PATCH 05/10] can: slcan: remove casts from tty->disc_data

tty->disc_data is 'void *', so there is no need to cast from that.
Therefore remove the casts and assign the pointer directly.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@...nel.org>
Cc: Dario Binacchi <dario.binacchi@...rulasolutions.com>
Cc: Wolfgang Grandegger <wg@...ndegger.com>
Cc: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Paolo Abeni <pabeni@...hat.com>
Cc: linux-can@...r.kernel.org
Cc: netdev@...r.kernel.org
---
 drivers/net/can/slcan/slcan-core.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/can/slcan/slcan-core.c b/drivers/net/can/slcan/slcan-core.c
index f4db77007c13..371af9d17b14 100644
--- a/drivers/net/can/slcan/slcan-core.c
+++ b/drivers/net/can/slcan/slcan-core.c
@@ -583,7 +583,7 @@ static void slcan_transmit(struct work_struct *work)
  */
 static void slcan_write_wakeup(struct tty_struct *tty)
 {
-	struct slcan *sl = (struct slcan *)tty->disc_data;
+	struct slcan *sl = tty->disc_data;
 
 	schedule_work(&sl->tx_work);
 }
@@ -778,7 +778,7 @@ static void slcan_receive_buf(struct tty_struct *tty,
 			      const unsigned char *cp, const char *fp,
 			      int count)
 {
-	struct slcan *sl = (struct slcan *)tty->disc_data;
+	struct slcan *sl = tty->disc_data;
 
 	if (!netif_running(sl->dev))
 		return;
@@ -862,7 +862,7 @@ static int slcan_open(struct tty_struct *tty)
  */
 static void slcan_close(struct tty_struct *tty)
 {
-	struct slcan *sl = (struct slcan *)tty->disc_data;
+	struct slcan *sl = tty->disc_data;
 
 	unregister_candev(sl->dev);
 
@@ -886,7 +886,7 @@ static void slcan_close(struct tty_struct *tty)
 static int slcan_ioctl(struct tty_struct *tty, unsigned int cmd,
 		       unsigned long arg)
 {
-	struct slcan *sl = (struct slcan *)tty->disc_data;
+	struct slcan *sl = tty->disc_data;
 	unsigned int tmp;
 
 	switch (cmd) {
-- 
2.41.0