netdev - [PATCH net-next 34/47] can: bittiming: can_get_bittiming(): use direct return and remove unneeded else

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Date:   Mon,  6 Feb 2023 14:16:07 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 34/47] 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@...gutronix.de>
---
 drivers/net/can/dev/bittiming.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/net/can/dev/bittiming.c b/drivers/net/can/dev/bittiming.c
index e4917c2f34d3..263e46a1f648 100644
--- 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;
 }
-- 
2.39.1