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=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,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 8D632C83028 for ; Tue, 1 Dec 2020 09:23:00 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 22425206C0 for ; Tue, 1 Dec 2020 09:23:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="2sG5rwDK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 22425206C0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=ATyjzZsP5pD5CP2y72de2g9dSQpIzqq5zHGuHylJmbA=; b=2sG5rwDKQXzGM//YTzpn76PTJK QUnZR/CFJC3DHQtNPnOBc9q8XlEfS+H11vv1/LUcI8pRRGEZUgWj9lfjmYWaXGdUdsN/Qr81o2aJB 5YBjeVAmrhXx94SPsIfXMVb6jFxdJvurT9pEax9+Q0A+/0Y5pYKgK9WfAC9UvJVb1EDfD4AwCLFFv I4EPsOgbGGL8gZFyQFH54TpVv9hy/0BncbGrzwerLfWtwEvgxr2bs5WIaEtVLPiHqAqNate7BYBWB 71XUb9PzJP2LZUgxqAFgECSkx+ZYFO+v+XWreKI29MFUCwzwU0oPVtnC0fxBZi/hHX6grDSVyVDN7 IkR+jrOg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk1r2-0003bx-Ur; Tue, 01 Dec 2020 09:21:49 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk1qz-0003Yy-7r for linux-arm-kernel@lists.infradead.org; Tue, 01 Dec 2020 09:21:46 +0000 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Clc6741BSzkj6p; Tue, 1 Dec 2020 17:21:03 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.487.0; Tue, 1 Dec 2020 17:21:26 +0800 From: Qinglang Miao To: Michal Simek , Dong Aisheng , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Oleksij Rempel , Vignesh R , "Aaro Koskinen" , Tony Lindgren , Orson Zhai , Baolin Wang , Chunyan Zhang , Pierre-Yves MORDRET , Maxime Coquelin , Alexandre Torgue Subject: [PATCH 0/8] i2c: fix reference leak when pm_runtime_get_sync fails Date: Tue, 1 Dec 2020 17:29:24 +0800 Message-ID: <20201201092924.112461-1-miaoqinglang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201201_042145_568787_B96EF974 X-CRM114-Status: UNSURE ( 6.84 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Qinglang Miao , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org pm_runtime_get_sync will increment the PM reference count even failed. Forgetting to putting operation will result in a reference leak here. Replace it with pm_runtime_resume_and_get to keep usage counter balanced. BTW, pm_runtime_resume_and_get is introduced in v5.10-rc5 as dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to dealwith usage counter") Qinglang Miao (8): i2c: cadence: fix reference leak when pm_runtime_get_sync fails i2c: img-scb: fix reference leak when pm_runtime_get_sync fails i2c: imx-lpi2c: fix reference leak when pm_runtime_get_sync fails i2c: imx: fix reference leak when pm_runtime_get_sync fails i2c: omap: fix reference leak when pm_runtime_get_sync fails i2c: sprd: fix reference leak when pm_runtime_get_sync fails i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails i2c: xiic: fix reference leak when pm_runtime_get_sync fails drivers/i2c/busses/i2c-cadence.c | 4 ++-- drivers/i2c/busses/i2c-img-scb.c | 4 ++-- drivers/i2c/busses/i2c-imx-lpi2c.c | 2 +- drivers/i2c/busses/i2c-imx.c | 4 ++-- drivers/i2c/busses/i2c-omap.c | 8 ++++---- drivers/i2c/busses/i2c-sprd.c | 4 ++-- drivers/i2c/busses/i2c-stm32f7.c | 12 ++++++------ drivers/i2c/busses/i2c-xiic.c | 4 ++-- 8 files changed, 21 insertions(+), 21 deletions(-) -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel