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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 37D74C433DF for ; Mon, 29 Jun 2020 21:49:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0BB5120780 for ; Mon, 29 Jun 2020 21:49:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593467345; bh=oCoaaWGr5MOoT2sXVLSno5YS0mBX7CG2YT0Ne6tRkVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=g2HeoWxpjCsF9ceWJWTvUwSJoBf0eQSF1o9dDZqsioxkX8nd/yfGXwogEtjPewTiH +nG2dl9lrY+xCpHW0droQJnRCop5Kq2dnZhGirfgZbBlhVzf9zmcm3u5InWFKFl4nn 5oGGbECbOlX9lVfV7tq+BpjlgMdPNzxqM/CxMb/s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404339AbgF2VtB (ORCPT ); Mon, 29 Jun 2020 17:49:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:56908 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726705AbgF2Sfl (ORCPT ); Mon, 29 Jun 2020 14:35:41 -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 A6A31246E4; Mon, 29 Jun 2020 15:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593444029; bh=oCoaaWGr5MOoT2sXVLSno5YS0mBX7CG2YT0Ne6tRkVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aoOGrBiRKEHPYyV1MC3ml2gvdQ7NnMV43FnXZRF2jrQ78UJh6iAjSU/Y++yQwRj2P S7EIDxFq0BsV87bOX7wsDVL6VGreCnwjlGhsRHKHsyhlRwFsbQ6ofRNBFB7EEnJpuZ MbNpoIUqcy7++6+ta9zfbCcOIKhw8gLRR2gJVClQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Qiushi Wu , Heiko Stuebner , Mark Brown , Sasha Levin Subject: [PATCH 5.7 136/265] ASoC: rockchip: Fix a reference count leak. Date: Mon, 29 Jun 2020 11:16:09 -0400 Message-Id: <20200629151818.2493727-137-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629151818.2493727-1-sashal@kernel.org> References: <20200629151818.2493727-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.7.7-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-5.7.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 5.7.7-rc1 X-KernelTest-Deadline: 2020-07-01T15:14+00:00 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 f141a422159a199f4c8dedb7e0df55b3b2cf16cd ] 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. Fixes: fc05a5b22253 ("ASoC: rockchip: add support for pdm controller") Signed-off-by: Qiushi Wu Reviewed-by: Heiko Stuebner Link: https://lore.kernel.org/r/20200613205158.27296-1-wu000273@umn.edu Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/rockchip/rockchip_pdm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c index 7cd42fcfcf38a..1707414cfa921 100644 --- a/sound/soc/rockchip/rockchip_pdm.c +++ b/sound/soc/rockchip/rockchip_pdm.c @@ -590,8 +590,10 @@ static int rockchip_pdm_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(pdm->regmap); -- 2.25.1