From patchwork Wed Jun 1 03:39:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaoqian Lin X-Patchwork-Id: 12866328 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1A6C4C433F5 for ; Wed, 1 Jun 2022 03:39:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3F1C310E166; Wed, 1 Jun 2022 03:39:45 +0000 (UTC) Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3A1AD10E166 for ; Wed, 1 Jun 2022 03:39:44 +0000 (UTC) Received: by mail-pj1-x1033.google.com with SMTP id v5-20020a17090a7c0500b001df84fa82f8so801431pjf.5 for ; Tue, 31 May 2022 20:39:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BPt4dtaBXbbIz680GXjnifuabCoTnOqD29Zad6avBJU=; b=nw+3kMrrmiyzaKACHZawVtj2we71BB5rDBesnCh9NO42UAU718xHv+4OYahFJFuudK XcOIvtvKkfOQRmKQbxLr3rpnJupgBTVZVE0UORaYwSPeVqlZq9GYTT6Q/lX/oz9rHd2o /DESQ/UO2QFTUZm6469k5wjrjP+S2uB6joXn+Zls/op8LrYiLuOjwbsT2uOyRunC+A+2 52j7OHCnkYe+FzrnjQvhkTSrJv7cPASgbNAdiLyczJegw1in7RVxFRV+7BwE9A4KT6gp FDR0Ucl3BNIj+Flg8wlS4WzhO678o9gmW8MJqi41oB3mIz5HW8/B0peaR4pBwmmuHE4R yyLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BPt4dtaBXbbIz680GXjnifuabCoTnOqD29Zad6avBJU=; b=nlicvhOpMXf+NrCXO+OTP20OzOdQCHc8mNpkBekj+RgVeUE53M0LrF7B97B6Mjdqfz qTtXsjr6b+EP48F4fv92r51hVsmIpIYsUHqQaoqCgDr5ad6UppjlS6+2rKDOVsfAsM0y I8pb//HF4Wc1O+8io/hqtu132K0qYzsnYY0zygwBw+63XGrtDZmVB0G9aDCyzjheVmvj 5fMHzYTGEe+KwBjHQNYaYkZpw8O1xgIC5aNZSmLeaFC9PwLT8d93J7x8YxBZRvpuD97f CBGRhKUg1hkCfmfatDwwfR2OmryW14jot7lGX+9SK9jugYavEGn7P090iNCip08DPG1d F60w== X-Gm-Message-State: AOAM5309e4QHWhmXfzGBK+wVhTal298Jj6nXZmvIVXedveHEt3NRUJ2o 9PB8+KLMd9OSHLK+/UTzuPU= X-Google-Smtp-Source: ABdhPJxer3AeLgoZLp4VQP+/nNyqbXOlRUDTKhy9HqMSwV7nbJJY3xIQCZ34bWrRjeUsoLJRduE3bg== X-Received: by 2002:a17:90a:ab90:b0:1da:375f:2f44 with SMTP id n16-20020a17090aab9000b001da375f2f44mr31928040pjq.33.1654054783864; Tue, 31 May 2022 20:39:43 -0700 (PDT) Received: from localhost.localdomain ([202.120.234.246]) by smtp.googlemail.com with ESMTPSA id dw15-20020a17090b094f00b001e0b971196csm2732415pjb.57.2022.05.31.20.39.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 May 2022 20:39:43 -0700 (PDT) From: Miaoqian Lin To: Neil Armstrong , David Airlie , Daniel Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Sam Ravnborg , dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] drm/meson: Fix refcount leak Date: Wed, 1 Jun 2022 07:39:25 +0400 Message-Id: <20220601033927.47814-1-linmq006@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Miaoqian Lin Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The following patchset fix two refcount leak bugs. The cause of the bugs are missing of_node_put() after of_graph_get_remote_node(). changes in v2: - patch#2:Fixed patch in meson_encoder_hdmi_init, call of_node_put() after of_find_device_by_node() and error paths before that. noted by Martin Blumenstingl (patch#1: no changes since v1) v1 link: patch#1: https://lore.kernel.org/r/20220531144818.26943-1-linmq006@gmail.com/ patch#2: https://lore.kernel.org/r/20220531144818.26943-2-linmq006@gmail.com/ Miaoqian Lin (2): drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init drm/meson: encoder_hdmi: Fix refcount leak in meson_encoder_hdmi_init drivers/gpu/drm/meson/meson_encoder_cvbs.c | 1 + drivers/gpu/drm/meson/meson_encoder_hdmi.c | 15 +++++++++++---- 2 files changed, 12 insertions(+), 4 deletions(-)