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 6EA5BC433E9 for ; Mon, 28 Dec 2020 16:49:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37AB7223E8 for ; Mon, 28 Dec 2020 16:49:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728423AbgL1QtC (ORCPT ); Mon, 28 Dec 2020 11:49:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:49818 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728094AbgL1MxL (ORCPT ); Mon, 28 Dec 2020 07:53:11 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 742CF22BEA; Mon, 28 Dec 2020 12:52:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609159967; bh=9yUyVpWtHmtbW8ffzytxnswISzXu3eLT8hYgQKmS3ec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vJ/5kxis6UKiBJobz5bOPRWfc8CMrbbagyZvUhfVl5H7x8L+WnTkf7xSQX9wgkMjL ftwGb3GhqRjf0JZhggW2K6BwE6AaVG02bBS4BatIbA4YWwP3rOvkFLx0q7QW1cB1+F yDndXFcV8vMySgh9iF5ItF2KHE7i97EosEviDq5w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zhang Qilong , Mark Brown , Sasha Levin Subject: [PATCH 4.4 038/132] spi: spi-ti-qspi: fix reference leak in ti_qspi_setup Date: Mon, 28 Dec 2020 13:48:42 +0100 Message-Id: <20201228124848.249320651@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 45c0cba753641e5d7c3207f04241bd0e7a021698 ] pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to pm_runtime_put_noidle will result in reference leak in ti_qspi_setup, so we should fix it. Fixes: 505a14954e2d7 ("spi/qspi: Add qspi flash controller") Signed-off-by: Zhang Qilong Link: https://lore.kernel.org/r/20201103140947.3815-1-zhangqilong3@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-ti-qspi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 5044c61983324..6e97f71a8cea3 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -159,6 +159,7 @@ static int ti_qspi_setup(struct spi_device *spi) ret = pm_runtime_get_sync(qspi->dev); if (ret < 0) { + pm_runtime_put_noidle(qspi->dev); dev_err(qspi->dev, "pm_runtime_get_sync() failed\n"); return ret; } -- 2.27.0