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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 B5AA1C433DF for ; Fri, 21 Aug 2020 17:05:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8395F20656 for ; Fri, 21 Aug 2020 17:05:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598029552; bh=RA20fT0TwJ5xJ395cUD+YGIQN+UL6HpyNW/jNAwOTuo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=C71MRGd19iZnvNmBdDe7Y6Zb4vBgGr968f3DR3d5b2FGPuTgSiX76aitkTxucSgXR 4L0jUarjdA+lfXSAvxAqKqrxFyXYLeqKoIUpyorDN8zEH+U3+YnAn3Ac0foS0vYEk+ 0VH5WupeHEJ3qfmYoKg4kQbWFBNVDmOm+t38E4z4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728785AbgHURFu (ORCPT ); Fri, 21 Aug 2020 13:05:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:51668 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728250AbgHUQSr (ORCPT ); Fri, 21 Aug 2020 12:18:47 -0400 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 E563D22CAD; Fri, 21 Aug 2020 16:18:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026691; bh=RA20fT0TwJ5xJ395cUD+YGIQN+UL6HpyNW/jNAwOTuo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1CGF92dNTMTWqsaJTnJ6Do7t038/VmMrVSpVRioIC7f28CLKMLr2nBHBufNfbBGcg dSBiL2tBqk3QXsr2hdywsxOp4LL87l78mLGVPGlFLSl29mzh3e76jd6oFoX95OESyh epbrGthuWlRPaYrYqMNmWGQvkxcqXJ/zzGxkzoiE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Qiushi Wu , Mark Brown , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 4.19 03/38] ASoC: img-parallel-out: Fix a reference count leak Date: Fri, 21 Aug 2020 12:17:32 -0400 Message-Id: <20200821161807.348600-3-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161807.348600-1-sashal@kernel.org> References: <20200821161807.348600-1-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: Qiushi Wu [ Upstream commit 6b9fbb073636906eee9fe4d4c05a4f445b9e2a23 ] pm_runtime_get_sync() increments the runtime PM usage counter even when it returns an error code, causing incorrect ref count if pm_runtime_put_noidle() is not called in error handling paths. Thus call pm_runtime_put_noidle() if pm_runtime_get_sync() fails. Signed-off-by: Qiushi Wu Link: https://lore.kernel.org/r/20200614033344.1814-1-wu000273@umn.edu Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/img/img-parallel-out.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/img/img-parallel-out.c b/sound/soc/img/img-parallel-out.c index acc005217be06..f56752662b199 100644 --- a/sound/soc/img/img-parallel-out.c +++ b/sound/soc/img/img-parallel-out.c @@ -166,8 +166,10 @@ static int img_prl_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) } ret = pm_runtime_get_sync(prl->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_noidle(prl->dev); return ret; + } reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL); reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set; -- 2.25.1