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[79.31.31.9]) by smtp.gmail.com with ESMTPSA id r18-20020aa7d152000000b0042de3d661d2sm154742edo.1.2022.07.28.00.03.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jul 2022 00:03:09 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-can@vger.kernel.org, Marc Kleine-Budde , Jeroen Hofstee , michael@amarulasolutions.com, Amarula patchwork , Oliver Hartkopp , Dario Binacchi , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Wolfgang Grandegger , netdev@vger.kernel.org Subject: [PATCH v4 5/7] can: slcan: use the generic can_change_mtu() Date: Thu, 28 Jul 2022 09:02:52 +0200 Message-Id: <20220728070254.267974-6-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220728070254.267974-1-dario.binacchi@amarulasolutions.com> References: <20220728070254.267974-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=NixWIxUe; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , 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 --- (no changes since v1) 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 bd8e84ded051..d12d98426f37 100644 --- a/drivers/net/can/slcan/slcan-core.c +++ b/drivers/net/can/slcan/slcan-core.c @@ -742,16 +742,11 @@ 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, }; /******************************************