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@kernel.org>
Cc: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-can@vger.kernel.org
Cc: netdev@vger.kernel.org
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20230731080244.2698-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/can/slcan/slcan-core.c b/drivers/net/can/slcan/slcan-core.c
index f4db770..371af9d 100644 (file)
--- 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) {