From patchwork Tue Sep 1 15:08:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 310282 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 9DBCFC433E6 for ; Tue, 1 Sep 2020 16:49:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75AAD2067C for ; Tue, 1 Sep 2020 16:49:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598978959; bh=Zr0rNtHcW9RuHn2tfuAXqac+LKY+ORnkgNnF0ZsMDDw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=AfSgVOpID+yK6PEiWcXB6WdS1N4KrRFlxPj3BJWyMWOTIWqIYHAc1Fb9MaptFz9WO WvPWhA0HsyKtxkB9Wn2UppyevAGlKKp3EFzfm269rG8vo4jMdCuOQB47//mEafxaul 9PmnTod+8L4bgbVjL4Ssg2uuRuoBsicwTFVehuTc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732233AbgIAQtO (ORCPT ); Tue, 1 Sep 2020 12:49:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:53982 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729677AbgIAP1P (ORCPT ); Tue, 1 Sep 2020 11:27:15 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 62A4520684; Tue, 1 Sep 2020 15:27:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974034; bh=Zr0rNtHcW9RuHn2tfuAXqac+LKY+ORnkgNnF0ZsMDDw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xlY0obK+NrKWQCSJS21DdLB2vFqiaDKmSZ6Cgl7G3P7YM/w4Wn73UvAvKxxF2OCeV EOGn9jJvRJaqbnAREZHP6586NA5xDyw8PVgTTyuE+dZo+SrdvbT0PwRZEZWRPBXZFQ JCExtKx5euLzXdshHY/gdH4Se7tMQ9k1EIuf66x0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Qiushi Wu , Jon Hunter , Mark Brown , Sasha Levin Subject: [PATCH 5.4 019/214] ASoC: tegra: Fix reference count leaks. Date: Tue, 1 Sep 2020 17:08:19 +0200 Message-Id: <20200901150953.887819585@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901150952.963606936@linuxfoundation.org> References: <20200901150952.963606936@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Qiushi Wu [ Upstream commit deca195383a6085be62cb453079e03e04d618d6e ] Calling pm_runtime_get_sync increments the counter even in case of failure, causing incorrect ref count if pm_runtime_put is not called in error handling paths. Call pm_runtime_put if pm_runtime_get_sync fails. Signed-off-by: Qiushi Wu Reviewed-by: Jon Hunter Link: https://lore.kernel.org/r/20200613204422.24484-1-wu000273@umn.edu Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/tegra/tegra30_ahub.c | 4 +++- sound/soc/tegra/tegra30_i2s.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c index 635eacbd28d47..156e3b9d613c6 100644 --- a/sound/soc/tegra/tegra30_ahub.c +++ b/sound/soc/tegra/tegra30_ahub.c @@ -643,8 +643,10 @@ static int tegra30_ahub_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put(dev); return ret; + } ret = regcache_sync(ahub->regmap_ahub); ret |= regcache_sync(ahub->regmap_apbif); pm_runtime_put(dev); diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c index e6d548fa980b6..8894b7c16a01a 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -538,8 +538,10 @@ static int tegra30_i2s_resume(struct device *dev) int ret; ret = pm_runtime_get_sync(dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put(dev); return ret; + } ret = regcache_sync(i2s->regmap); pm_runtime_put(dev);