From patchwork Thu Jul 28 07:02:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 12931030 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA1C9C19F2B for ; Thu, 28 Jul 2022 07:03:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234557AbiG1HDj (ORCPT ); Thu, 28 Jul 2022 03:03:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234548AbiG1HDN (ORCPT ); Thu, 28 Jul 2022 03:03:13 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3AAC5F99A for ; Thu, 28 Jul 2022 00:03:11 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id z22so1003145edd.6 for ; Thu, 28 Jul 2022 00:03:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=aNGQLRTnPxlP6A96D7J1ivHff8xTlXOO4TAacZru318=; b=NixWIxUerULCg3FM+cnzFFOF13OA6uqtP9jW5CJygFwUBq6CkojjWu3Ex8IMlgKxPg e47d34vcuwDsFDJm3JWApkUUIPvEBe5EKLPqbtsImbdiBwY9Lf5/JidqqrNnDg6LR1XH Se0Mlb3kDA68wzj4aX6IKP8edThjDkhrYgsoI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=aNGQLRTnPxlP6A96D7J1ivHff8xTlXOO4TAacZru318=; b=HUkdmDOH2n6eLyuhujWyTT27UliFvhINkyj9k78VjCHFVjlFI5kwux6uYh9T0T3uik hzJp6CXtHY3lDB3t4g/x/wjIdEhwGNfpq5MrGvLE7MgQ5ajXm6HtKjgZHzc0vZLRzDha 8YuMMTZY04V8Pmo3+Dku/7LN0jpA0R2KzXIXt9ivBWXA3IQ1tIsooaiWFfqs2T3f2HUK OjJ6a5goxhl3HP5Vfkpbi3YucNE9jLHwlF6PV7zpSZcCCgzpPVgvJtpAGJGOZeJbv31Y pyfv7Am/rr6/s33HKqmA4xe9Hy2AKxvy+8TkrOlocIFLu+CD9Y48Z9Kal1/thtMYy/nP FlDA== X-Gm-Message-State: AJIora/HpGRP8FCWJsS1A2Vh0uDxHNK5nbGgtGFtaWw8y7EI5MplsuDV qbA0Xoj7HtTzRieJwn9gULOL+Q== X-Google-Smtp-Source: AGRyM1sW5lx3Slj726RXZEGv5WZ7pNAuYrxHGJowrHZRoGZVE59uH/w0nSGFMTcUJpW2vMINSFhH7Q== X-Received: by 2002:a05:6402:2b88:b0:43a:6c58:6c64 with SMTP id fj8-20020a0564022b8800b0043a6c586c64mr27065401edb.348.1658991790073; Thu, 28 Jul 2022 00:03:10 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it (host-79-31-31-9.retail.telecomitalia.it. [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 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org 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, }; /******************************************