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[2a02:8389:41cf:e200:55c0:165d:e76c:a019]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37d4b7ee49bsm4581663f8f.100.2024.10.11.12.22.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2024 12:22:22 -0700 (PDT) From: Javier Carrasco Subject: [PATCH 0/2] drm/mediatek: Fix child node refcount handling and use scoped macro Date: Fri, 11 Oct 2024 21:21:50 +0200 Message-Id: <20241011-mtk_drm_drv_memleak-v1-0-2b40c74c8d75@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAM56CWcC/x2M0QpAMBhGX0X/tZVfVvIqktg+/DG0SWp5d8vFu TgX50QK8IJATRbJ45Ygx56E84zMMuwzlNjkVBZlxQWzctfaW+8Sd+/gNgyr0qjHGpWGZUOpPD0 mef5r273vB8+vyTdlAAAA To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Alexandre Mergnat , CK Hu , "Jason-JH.Lin" Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Javier Carrasco , stable@vger.kernel.org X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1728674541; l=800; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=CUgnykuigeyvSk+12QRyPfcuP3wIVJxY7aInDCemjsU=; b=VS2IFCGJyJpyQN++hbNfW+QHI8VE09TUL+q0ILjUhG8LFSsaeXapxeE08GCY6WIEkfxFiYrvq 3o6Dsm8HPgzAHTM2Gzm1+GZnOiqBBIM/R5LsZ4CcxFrH8NtRwbJSivg X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= This series fixes a wrong handling of the child node within the for_each_child_of_node() by adding the missing call to of_node_put() to make it compatible with stable kernels that don't provide the scoped variant of the macro, which is more secure and was introduced early this year. Signed-off-by: Javier Carrasco --- Javier Carrasco (2): drm/mediatek: Fix child node refcount handling in early exit drm/mediatek: Switch to for_each_child_of_node_scoped() drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- base-commit: d61a00525464bfc5fe92c6ad713350988e492b88 change-id: 20241011-mtk_drm_drv_memleak-5e8b8e45ed1c Best regards, -- Javier Carrasco