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 4ED2EC433E1 for ; Fri, 21 Aug 2020 17:29:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E2BA2075E for ; Fri, 21 Aug 2020 17:29:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598030952; bh=G7Bxe3htfLyEMy8okKHuhNIpEbesWGNFyZOsNYvkWzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=aP1JHPGmk5gw32YktGeWJ88R6Ul4U3RTBwcs6P481Bi+IgVEB+H7aETrRvgOxNpIm ZHfQcdQPNhcYo9VwiDsFjM25NI7hw01rbLX5BIse0t3pz8pIzpIQLoFRh6oz9WdUiQ g/zOZK8q19cwQ1WOMcqZI1wjc/Mq+D9oeGqmBjYg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727108AbgHUR3J (ORCPT ); Fri, 21 Aug 2020 13:29:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:46552 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725935AbgHUQOl (ORCPT ); Fri, 21 Aug 2020 12:14:41 -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 89AD62224D; Fri, 21 Aug 2020 16:14:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026473; bh=G7Bxe3htfLyEMy8okKHuhNIpEbesWGNFyZOsNYvkWzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DiJ8AsxhFt693FsnMMHtLU/1FdZKpp9E4e6v2qkm1hfXSVsYL0U6k8ubOgoYK0cz0 fVuvvGJGiVV1lB0pTuIPXaFla2UOdYU+WA9UW6agoyyarl6iRq91fLc1KlRkbR0IyJ MQhIoKlGuW8v4H1slSomda/EnIdaQj5WBjNKK8S0= 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 5.8 07/62] ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt Date: Fri, 21 Aug 2020 12:13:28 -0400 Message-Id: <20200821161423.347071-7-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161423.347071-1-sashal@kernel.org> References: <20200821161423.347071-1-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 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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 64C9CC433DF for ; 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Fri, 21 Aug 2020 18:14:34 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz AEFFBF80255 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="DiJ8Asxh" 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 89AD62224D; Fri, 21 Aug 2020 16:14:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026473; bh=G7Bxe3htfLyEMy8okKHuhNIpEbesWGNFyZOsNYvkWzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DiJ8AsxhFt693FsnMMHtLU/1FdZKpp9E4e6v2qkm1hfXSVsYL0U6k8ubOgoYK0cz0 fVuvvGJGiVV1lB0pTuIPXaFla2UOdYU+WA9UW6agoyyarl6iRq91fLc1KlRkbR0IyJ MQhIoKlGuW8v4H1slSomda/EnIdaQj5WBjNKK8S0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.8 07/62] ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt Date: Fri, 21 Aug 2020 12:13:28 -0400 Message-Id: <20200821161423.347071-7-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161423.347071-1-sashal@kernel.org> References: <20200821161423.347071-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Cc: Sasha Levin , alsa-devel@alsa-project.org, Mark Brown , Qiushi Wu X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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