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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 B2DA1C282E1 for ; Wed, 24 Apr 2019 17:20:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72AF0205ED for ; Wed, 24 Apr 2019 17:20:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556126417; bh=dm80or8pnW8oW9HXS0D9v35wts8kbx4gT5JpmdQSD/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BASt9QY1HRMCSXRTEAEpnp33WArxwPMlbqGKKF7a1RdS6qnWwTL4xYH61j443Qdoj 3slT/UMNZMyB3MjFObRRmiT4vySW+e7FVFOWRAf5wGbZ5S4JsVeX5zwOIMTtW+YLfV DkC9PDuhBLP89z2j6Kf5++wUmNrFuVfffJAVHWZM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389118AbfDXRT7 (ORCPT ); Wed, 24 Apr 2019 13:19:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:45286 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389100AbfDXRTy (ORCPT ); Wed, 24 Apr 2019 13:19:54 -0400 Received: from localhost (62-193-50-229.as16211.net [62.193.50.229]) (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 0799721905; Wed, 24 Apr 2019 17:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556126393; bh=dm80or8pnW8oW9HXS0D9v35wts8kbx4gT5JpmdQSD/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hdy+ox4nvy8G4Dj6NW9YA+m6CXl+UnlYEsolodoL/i2s4vJlAYM2mj3t9aVKdLjuD 9kU72HHSOEbZEmtmgNWJWTzUvUlV13HDATlokDy3ANTHZVL+RlwiHODJ7DqmJG3bBD yehUr90XN97dboSy0NJRvDnHHY2GCM6q7pkTOrxU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexey Khoroshilov , Bjorn Andersson , Andy Gross , Sasha Levin Subject: [PATCH 4.4 053/168] soc: qcom: gsbi: Fix error handling in gsbi_probe() Date: Wed, 24 Apr 2019 19:08:17 +0200 Message-Id: <20190424170926.925542115@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190424170923.452349382@linuxfoundation.org> References: <20190424170923.452349382@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 [ Upstream commit 8cd09a3dd3e176c62da67efcd477a44a8d87185e ] If of_platform_populate() fails in gsbi_probe(), gsbi->hclk is left undisabled. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov Signed-off-by: Bjorn Andersson Signed-off-by: Andy Gross Signed-off-by: Sasha Levin --- drivers/soc/qcom/qcom_gsbi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/soc/qcom/qcom_gsbi.c b/drivers/soc/qcom/qcom_gsbi.c index 09c669e70d63..038abc377fdb 100644 --- a/drivers/soc/qcom/qcom_gsbi.c +++ b/drivers/soc/qcom/qcom_gsbi.c @@ -138,7 +138,7 @@ static int gsbi_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; struct gsbi_info *gsbi; - int i; + int i, ret; u32 mask, gsbi_num; const struct crci_config *config = NULL; @@ -221,7 +221,10 @@ static int gsbi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, gsbi); - return of_platform_populate(node, NULL, NULL, &pdev->dev); + ret = of_platform_populate(node, NULL, NULL, &pdev->dev); + if (ret) + clk_disable_unprepare(gsbi->hclk); + return ret; } static int gsbi_remove(struct platform_device *pdev) -- 2.19.1