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=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 A3441C433E0 for ; Mon, 28 Dec 2020 12:55:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 699B222B48 for ; Mon, 28 Dec 2020 12:55:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728409AbgL1Myv (ORCPT ); Mon, 28 Dec 2020 07:54:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:51306 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728375AbgL1Myh (ORCPT ); Mon, 28 Dec 2020 07:54:37 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7B5D12242A; Mon, 28 Dec 2020 12:53:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609160036; bh=XAuZMLSZNQM37Gph0XBD4GiduJ20pZCWKiUeZx7WuyU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2ao9W+jIviy62t0DRtGv5Nqlp4Zx+BxtM23iPPoZSz7cI6ugECJxcVwypa+3Am7Ij eWRvCUdU3mqUX3VdyUuoOcjjBzb6/hCG+MPyajrPpJkmWiLnPXNq5WVDYOyxwmAaxZ jq9cWBsZOZZIbYV/HeCauGF/Ivc+fWtHJH+3QUOw= 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 4.4 051/132] soc: ti: knav_qmss: fix reference leak in knav_queue_probe Date: Mon, 28 Dec 2020 13:48:55 +0100 Message-Id: <20201228124848.904602260@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228124846.409999325@linuxfoundation.org> References: <20201228124846.409999325@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 8c03a80b482dd..3a3bc8ef532a7 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1717,6 +1717,7 @@ 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