can: bittiming: can_get_bittiming(): use direct return and remove unneeded else

Clean up the code flow a bit, don't assign err variable but directly
return. Remove the unneeded else, too.

Link: https://lore.kernel.org/all/20230202110854.2318594-5-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/dev/bittiming.c b/drivers/net/can/dev/bittiming.c
index e4917c2..263e46a 100644 (file)
--- a/drivers/net/can/dev/bittiming.c
+++ b/drivers/net/can/dev/bittiming.c
@@ -67,22 +67,18 @@ int can_get_bittiming(const struct net_device *dev, struct can_bittiming *bt,
                      const u32 *bitrate_const,
                      const unsigned int bitrate_const_cnt)
 {
-       int err;
-
        /* Depending on the given can_bittiming parameter structure the CAN
         * timing parameters are calculated based on the provided bitrate OR
         * alternatively the CAN timing parameters (tq, prop_seg, etc.) are
         * provided directly which are then checked and fixed up.
         */
        if (!bt->tq && bt->bitrate && btc)
-               err = can_calc_bittiming(dev, bt, btc);
-       else if (bt->tq && !bt->bitrate && btc)
-               err = can_fixup_bittiming(dev, bt, btc);
-       else if (!bt->tq && bt->bitrate && bitrate_const)
-               err = can_validate_bitrate(dev, bt, bitrate_const,
-                                          bitrate_const_cnt);
-       else
-               err = -EINVAL;
+               return can_calc_bittiming(dev, bt, btc);
+       if (bt->tq && !bt->bitrate && btc)
+               return can_fixup_bittiming(dev, bt, btc);
+       if (!bt->tq && bt->bitrate && bitrate_const)
+               return can_validate_bitrate(dev, bt, bitrate_const,
+                                           bitrate_const_cnt);
 
-       return err;
+       return -EINVAL;
 }