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From:   Dario Binacchi <dario.binacchi@amarulasolutions.com>
To:     linux-kernel@vger.kernel.org
Cc:     Jeroen Hofstee <jhofstee@victronenergy.com>,
        michael@amarulasolutions.com,
        Amarula patchwork <linux-amarula@amarulasolutions.com>,
        Dario Binacchi <dario.binacchi@amarulasolutions.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jakub Kicinski <kuba@kernel.org>,
        Jiri Slaby <jirislaby@kernel.org>,
        Marc Kleine-Budde <mkl@pengutronix.de>,
        Paolo Abeni <pabeni@redhat.com>,
        Vincent Mailhol <mailhol.vincent@wanadoo.fr>,
        Wolfgang Grandegger <wg@grandegger.com>,
        linux-can@vger.kernel.org, netdev@vger.kernel.org
Subject: [RFC PATCH 4/5] can: slcan: use the generic can_change_mtu()
Date:   Sat, 16 Jul 2022 19:00:06 +0200
Message-Id: <20220716170007.2020037-5-dario.binacchi@amarulasolutions.com>
In-Reply-To: <20220716170007.2020037-1-dario.binacchi@amarulasolutions.com>
References: <20220716170007.2020037-1-dario.binacchi@amarulasolutions.com>
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It is useless to define a custom function that does nothing but always
return the same error code. Better to use the generic can_change_mtu()
function.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

 drivers/net/can/slcan/slcan-core.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/net/can/slcan/slcan-core.c b/drivers/net/can/slcan/slcan-core.c
index 093d232c13dd..7a1540507ecd 100644
--- a/drivers/net/can/slcan/slcan-core.c
+++ b/drivers/net/can/slcan/slcan-core.c
@@ -727,16 +727,11 @@ static int slcan_netdev_open(struct net_device *dev)
 	return err;
 }
 
-static int slcan_netdev_change_mtu(struct net_device *dev, int new_mtu)
-{
-	return -EINVAL;
-}
-
 static const struct net_device_ops slcan_netdev_ops = {
 	.ndo_open               = slcan_netdev_open,
 	.ndo_stop               = slcan_netdev_close,
 	.ndo_start_xmit         = slcan_netdev_xmit,
-	.ndo_change_mtu         = slcan_netdev_change_mtu,
+	.ndo_change_mtu         = can_change_mtu,
 };
 
 /******************************************
-- 
2.32.0