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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,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 98A01C64E7B for ; Tue, 1 Dec 2020 12:47:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 535C6206C1 for ; Tue, 1 Dec 2020 12:47:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390325AbgLAMru (ORCPT ); Tue, 1 Dec 2020 07:47:50 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:8545 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728714AbgLAMru (ORCPT ); Tue, 1 Dec 2020 07:47:50 -0500 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4ClhgP6VQszhl3X; Tue, 1 Dec 2020 20:46:41 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.487.0; Tue, 1 Dec 2020 20:47:01 +0800 From: Qinglang Miao To: Sandy Huang , =?UTF-8?q?Heiko=20St=C3=BCbner?= , David Airlie , Daniel Vetter CC: , , , , Qinglang Miao Subject: [PATCH 0/3] drm/rockchip: fix reference leak when pm_runtime_get_sync fails Date: Tue, 1 Dec 2020 20:54:56 +0800 Message-ID: <20201201125459.142178-1-miaoqinglang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 (3): drm/rockchip: cdn-dp: fix reference leak when pm_runtime_get_sync fails drm/rockchip: vop: fix reference leak when pm_runtime_get_sync fails drm/rockchip: lvds: fix reference leak when pm_runtime_get_sync fails drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++-- drivers/gpu/drm/rockchip/rockchip_lvds.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) -- 2.23.0