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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 B97A7C432C0 for ; Fri, 22 Nov 2019 06:05:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 86F4320674 for ; Fri, 22 Nov 2019 06:05:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402711; bh=zHpT5ox9eP1tHLBjnqlnUf9eoQ/p8QToFJchykBnIfs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Pe0n47MXVm6fXqN58Xkc/iCtL80HP6OZe0UVBvu2LhxGs8FyQgv/uqPll13VjydJ1 fuW+g+sKx33fL/d3AumwL9GZFnzwvpI2mr3rw9rEwqszfbIfyEro0A4o2fR5YANHsg ihfcYIZdPcWQEdTpLbEXv67S6Nh4dcud2seEK/dE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728735AbfKVGFJ (ORCPT ); Fri, 22 Nov 2019 01:05:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:41432 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727874AbfKVGCk (ORCPT ); Fri, 22 Nov 2019 01:02:40 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB8B620718; Fri, 22 Nov 2019 06:02:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402560; bh=zHpT5ox9eP1tHLBjnqlnUf9eoQ/p8QToFJchykBnIfs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Rb1z1p9gOXs5NMzk9Oq51WaPAaKDEyBOYPV2oTBGJNFWBuBjrdsMZcTNYB0yxyKvp yjXiJVPF/YQxgZmnCzV/vL6cyzQVmtORvGI42nypGaJ8U7mQ17rxkzVFkdg2UaeYqw emY/0MZlsTVVrJrgafOHYjM4pe6GS5SXKO5YjuGU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kangjie Lu , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 65/91] atl1e: checking the status of atl1e_write_phy_reg Date: Fri, 22 Nov 2019 01:01:03 -0500 Message-Id: <20191122060129.4239-64-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122060129.4239-1-sashal@kernel.org> References: <20191122060129.4239-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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