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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 5BA4BC43332 for ; Mon, 28 Dec 2020 15:44:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3162522B2C for ; Mon, 28 Dec 2020 15:44:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404761AbgL1Poy (ORCPT ); Mon, 28 Dec 2020 10:44:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:45566 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404710AbgL1Noz (ORCPT ); Mon, 28 Dec 2020 08:44:55 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2D7B922A84; Mon, 28 Dec 2020 13:44:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609163054; bh=GK4D9Zt3HYoy7+nr9I5SdxhzyTWVZp4VXuz7JlcY7Ig=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QBu3EcToP3E0Zr3d7sIUVoaKn32r3dA/s7OctlVjpmeu/4ZV+3BQJBsI5/5nokyrl Y4Eqv4hgGw+ZyeMJMwgIA0Exw3BceR0CTXCK1tF2w32nUF4rzgJ44OmnCzoS+ia1yO 3iXPEYbfshAgqKIlWPqwFiOZHQZDETVkDtMdxrbI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zhang Qilong , Santosh Shilimkar , Sasha Levin Subject: [PATCH 5.4 154/453] soc: ti: knav_qmss: fix reference leak in knav_queue_probe Date: Mon, 28 Dec 2020 13:46:30 +0100 Message-Id: <20201228124944.615913975@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228124937.240114599@linuxfoundation.org> References: <20201228124937.240114599@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zhang Qilong [ Upstream commit ec8684847d8062496c4619bc3fcff31c19d56847 ] pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to pm_runtime_put_noidle will result in reference leak in knav_queue_probe, so we should fix it. Fixes: 41f93af900a20 ("soc: ti: add Keystone Navigator QMSS driver") Signed-off-by: Zhang Qilong Signed-off-by: Santosh Shilimkar Signed-off-by: Sasha Levin --- drivers/soc/ti/knav_qmss_queue.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index 1ccc9064e1eb5..dbbf15e7ef6e1 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1791,6 +1791,7 @@ static int knav_queue_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { + pm_runtime_put_noidle(&pdev->dev); dev_err(dev, "Failed to enable QMSS\n"); return ret; } -- 2.27.0