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 4B104C433DF for ; Fri, 21 Aug 2020 17:21:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1DD4C20738 for ; Fri, 21 Aug 2020 17:21:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598030509; bh=G7Bxe3htfLyEMy8okKHuhNIpEbesWGNFyZOsNYvkWzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=S9v5U8hQ9bd+Ao/6ejQVjZn0pzrTcJgvp9RhCAOv5WSUCG4pnrA6TVLQszCKr2ClZ lRRm0TaGvZp+9vbB/zzAcTiprizObQwMcd9EYbqBAB/HFzEEKq/IFQQQW/NmfI1B3O 4W341tqwRFdxFTWduPkht42hJSSzr1m460WZqtVo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729134AbgHURVr (ORCPT ); Fri, 21 Aug 2020 13:21:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:48780 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728004AbgHUQPz (ORCPT ); Fri, 21 Aug 2020 12:15:55 -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 06C5322B4D; Fri, 21 Aug 2020 16:15:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026554; bh=G7Bxe3htfLyEMy8okKHuhNIpEbesWGNFyZOsNYvkWzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AGYXy6PeVp4hSWPSiena6ENLUsJydqsrEG/FNzUaAfiMOjOyUwmNNfYp7qHx7NaEW Dqsnr8aA71Jd6SxkeWBCFUQ4moRHnSzRbrISLBLYvPkBz+jYoM8ySGTbsORuET5eSK HhBtfiWHTwlDLnNfjxwUU7bHLaQ06JY3wUCtZr9I= 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 5.7 07/61] ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt Date: Fri, 21 Aug 2020 12:14:51 -0400 Message-Id: <20200821161545.347622-7-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161545.347622-1-sashal@kernel.org> References: <20200821161545.347622-1-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 c4c59b95b7f7d4cef5071b151be2dadb33f3287b ] 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/20200614033749.2975-1-wu000273@umn.edu Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/img/img-i2s-in.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/img/img-i2s-in.c b/sound/soc/img/img-i2s-in.c index e30b66b94bf67..0843235d73c91 100644 --- a/sound/soc/img/img-i2s-in.c +++ b/sound/soc/img/img-i2s-in.c @@ -343,8 +343,10 @@ static int img_i2s_in_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) chan_control_mask = IMG_I2S_IN_CH_CTL_CLK_TRANS_MASK; ret = pm_runtime_get_sync(i2s->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_noidle(i2s->dev); return ret; + } for (i = 0; i < i2s->active_channels; i++) img_i2s_in_ch_disable(i2s, i); -- 2.25.1