From patchwork Mon Dec 28 12:42:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 353405 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=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 4E9FEC43381 for ; Mon, 28 Dec 2020 15:07:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F2CB22B30 for ; Mon, 28 Dec 2020 15:07:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438795AbgL1OJ1 (ORCPT ); Mon, 28 Dec 2020 09:09:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:43808 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2438680AbgL1OJZ (ORCPT ); Mon, 28 Dec 2020 09:09:25 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1CF312063A; Mon, 28 Dec 2020 14:08:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609164524; bh=f+OKUiKmo0iefOodjHBay4uqh+6Y7GvIpqFAfxL6XTY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HIb0hd5odBhau9zNjDh8B9krJ8j52nMUraAMBgL0eNDjTbBsTTnX1HJD5IWmw/JfK ASnqs/4YcisiwpsnidtKc1dD2VDOjY7wwKSuMJdQtWvTvF66mgAB0IGMYQ1dZXdndl gsrg+JK7aC7YcfnnNUi8r6vqO4Oy1Lm0AMxIVKLA= 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 5.10 178/717] soc: ti: knav_qmss: fix reference leak in knav_queue_probe Date: Mon, 28 Dec 2020 13:42:56 +0100 Message-Id: <20201228125029.493527050@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228125020.963311703@linuxfoundation.org> References: <20201228125020.963311703@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@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 a460f201bf8e7..54afa8f7f4087 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1784,6 +1784,7 @@ 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; }