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 9B9CAC432C3 for ; Fri, 22 Nov 2019 06:00:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69B122068E for ; Fri, 22 Nov 2019 06:00:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402441; bh=lm4JUrKaHoWWUev9vI4Y+B/zYy7vn/Rm5z1uWi8gAJ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dlcmAc+Mlxkr7+9THQoOMzUZoKyxUbeNtUKROIjzGSyv3uXYAYaQQKFbXroI0htnz +UgW6jMkEMOSga2KdqsP1HlyYMNrMkVdO6ptcDwLAKyz+/tZW6dBUzg83r8B5oHJuR fQdo7ams8FC8YzwhoqOrZK+VLePY1OJ+NwU1DrH8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729462AbfKVF5d (ORCPT ); Fri, 22 Nov 2019 00:57:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:35646 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728824AbfKVF5V (ORCPT ); Fri, 22 Nov 2019 00:57:21 -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 E12D120731; Fri, 22 Nov 2019 05:57:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402240; bh=lm4JUrKaHoWWUev9vI4Y+B/zYy7vn/Rm5z1uWi8gAJ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gKt5I9WYsn3i+q4pyOoR/dtDFrvcLse/HyoMkxe5E76RDFiv5OhW4od4KgJ38SsME CQbnXybeyKDxzOybVBjPrPBxcCCsqa5qVI3/4261GFI5nqr9N1IJHC+CGxEFBuWDXu U3qHt2zz88LKqRtkiO3jLISUlksSSAumRKGvqofM= 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 4.14 085/127] net: (cpts) fix a missing check of clk_prepare Date: Fri, 22 Nov 2019 00:55:03 -0500 Message-Id: <20191122055544.3299-84-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122055544.3299-1-sashal@kernel.org> References: <20191122055544.3299-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 2d822f2dbab7f4c820f72eb8570aacf3f35855bd ] clk_prepare() could fail, so let's check its status, and if it fails, return its error code upstream. Signed-off-by: Kangjie Lu Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/ti/cpts.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index e7b76f6b4f67e..7d1281d812480 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -567,7 +567,9 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs, return ERR_PTR(PTR_ERR(cpts->refclk)); } - clk_prepare(cpts->refclk); + ret = clk_prepare(cpts->refclk); + if (ret) + return ERR_PTR(ret); cpts->cc.read = cpts_systim_read; cpts->cc.mask = CLOCKSOURCE_MASK(32); -- 2.20.1