From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFC6FC43603 for ; Wed, 4 Dec 2019 18:16:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD0A2205ED for ; Wed, 4 Dec 2019 18:16:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575483405; bh=zHpT5ox9eP1tHLBjnqlnUf9eoQ/p8QToFJchykBnIfs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=1RhAHLO7+F3MdgpHhG+pXUUdmchvEG8lBzXEjQcvAT9GnF7JqfhpNcDaCYa7wv3Me VlbMxU3tz8vJjqrZyiI0Ze+vtcJpFL+SUaF2i6yzxyOpgav+L8M1h3EdZe9Ejxpadf MHlnmISiCdpMTcyskLvaBl4hLUVQqw442Xughjjg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731898AbfLDSQo (ORCPT ); Wed, 4 Dec 2019 13:16:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:41670 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730863AbfLDSMt (ORCPT ); Wed, 4 Dec 2019 13:12:49 -0500 Received: from localhost (unknown [217.68.49.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BC5EC20675; Wed, 4 Dec 2019 18:12:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575483169; bh=zHpT5ox9eP1tHLBjnqlnUf9eoQ/p8QToFJchykBnIfs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mMjEWZbRUa1xGpogglavwu9MY4wZceUAdTVd5TTp5eraZeOs2IXo5JZcsYeQUedVw QVVwx4PTfXq6aXt6xUIwohLN7h2UFA2X5QuvqY3CN4cCp0Z2GCUAeiV0NwSjGKX4sy bIRHcLWysozXB2eDiLCbldlLFOERIHDNCPV+kNC4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kangjie Lu , "David S. Miller" , Sasha Levin Subject: [PATCH 4.9 078/125] atl1e: checking the status of atl1e_write_phy_reg Date: Wed, 4 Dec 2019 18:56:23 +0100 Message-Id: <20191204175323.775773586@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191204175308.377746305@linuxfoundation.org> References: <20191204175308.377746305@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kangjie Lu [ Upstream commit ff07d48d7bc0974d4f96a85a4df14564fb09f1ef ] atl1e_write_phy_reg() could fail. The fix issues an error message when it fails. Signed-off-by: Kangjie Lu Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 974713b19ab64..5e1f03590aaf2 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -478,7 +478,9 @@ static void atl1e_mdio_write(struct net_device *netdev, int phy_id, { struct atl1e_adapter *adapter = netdev_priv(netdev); - atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); + if (atl1e_write_phy_reg(&adapter->hw, + reg_num & MDIO_REG_ADDR_MASK, val)) + netdev_err(netdev, "write phy register failed\n"); } static int atl1e_mii_ioctl(struct net_device *netdev, -- 2.20.1