From nobody Sun Jun 21 16:14:17 2026 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7ED1D36606E for ; Thu, 2 Apr 2026 16:42:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775148183; cv=none; b=gXPO/g3/X/b1U5VjIV/jOoWyj/Avyt835x2JZV/xiVSBSuwTyk62rVJLDpAQyLv4VhF18S5rHQqntlW/yLgUntiTJjBlAf6I4HHNEkV24CLXabm2E7zd4vYRQEupeqiToAFfGMWKu/ioycC+9ZnL+w4+8cjVAsyUEn3e9/X8o4c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775148183; c=relaxed/simple; bh=0yorz4CxLkCvg/X29aqII5erKaUABM45cGY91XwGERE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=TNX88Ecjj6BTBHwluA3e7kD8i6fO1BIJe7cONcS3LKO98IMxjxf+M/sgccKwmjueUHUELz3hCqunB+4cNF6YUv/vLcB6Mklzc73HwMA0VgSpD2bfqb+TgZcW7q9B7gXN/rHC67KTR1miyWRDjbUl9ZXJtUgX2axpy+xgLu0BTDU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=aI1lH+bW; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="aI1lH+bW" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id CCC08C59F46; Thu, 2 Apr 2026 16:43:23 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 1F32D602CD; Thu, 2 Apr 2026 16:42:52 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 08A2010450136; Thu, 2 Apr 2026 18:42:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1775148171; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding; bh=tklQU7AmBlgtiJ+7oB3wdNKyKDgrfZerlBF58NV2zpU=; b=aI1lH+bWdLYmRJTxHRR+pIdws10RauOS5winQ+NM0YLyeI13XLP7oUlcmPY/l1+bKzdLOY zdiKdHc3XZEz36LxEa0BZdJsMdXeZpUgt1nm4rM/VVk6oqVfDh5fDbp2taygRRsn36va87 Rme6ewzHC+S+6FHCf8AuRh+vSWSJfHzwkZd4gBjOt5MNXhbWGVy2K5GoENMY13+bU2p7xc QsTm6qb0SK5tIWeiIVlczU1eSvD4bfZhuilg1V20iwtzAMfuMn7iTpXHHWWxHZgwE/nFXJ lVEv5vMh3c+p+0uIsecyNNmix15R5ijnioKY+Es9MWeUw8Q208UoOwbcjKk3Mg== From: Luca Ceresoli Date: Thu, 02 Apr 2026 18:42:20 +0200 Subject: [PATCH v2] drm/arcpgu: fix device node leak 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: quoted-printable Message-Id: <20260402-drm-arcgpu-fix-device-node-leak-v2-1-d773cf754ae5@bootlin.com> X-B4-Tracking: v=1; b=H4sIAGuczmkC/42NQQ6CMBBFr0Jm7RimiZi68h6GBW2nMBFa0iLRE O5u5QQu38//72+QOQlnuFUbJF4lSwwF1KkCO3ShZxRXGFStLkSk0aUJu2T7+YVe3ujKxjKG6Bh H7p7oda2NJX/1xkCxzIlL73h4tIUHyUtMn+NwpV/6v3slJKwbpTQ767nhu4lxGSWcbZyg3ff9C +9vfEjQAAAA X-Change-ID: 20251119-drm-arcgpu-fix-device-node-leak-f909bc1f7fbb To: Simona Vetter , Alexey Brodkin , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Hui Pu , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Ian Ray , stable@vger.kernel.org, Luca Ceresoli X-Mailer: b4 0.15.1 X-Last-TLS-Session-Version: TLSv1.3 This function gets a device_node reference via of_graph_get_remote_port_parent() and stores it in encoder_node, but never puts that reference. Add it. There used to be a of_node_put(encoder_node) but it has been removed by mistake during a rework in commit 3ea66a794fdc ("drm/arc: Inline arcpgu_drm_hdmi_init"). Fixes: 3ea66a794fdc ("drm/arc: Inline arcpgu_drm_hdmi_init") Cc: stable@vger.kernel.org Signed-off-by: Luca Ceresoli Reviewed-by: Louis Chauvet --- Changes in v2: - fix typos in commit message --- drivers/gpu/drm/tiny/arcpgu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c index 505888497482..c93d61ac0bb7 100644 --- a/drivers/gpu/drm/tiny/arcpgu.c +++ b/drivers/gpu/drm/tiny/arcpgu.c @@ -250,7 +250,8 @@ DEFINE_DRM_GEM_DMA_FOPS(arcpgu_drm_ops); static int arcpgu_load(struct arcpgu_drm_private *arcpgu) { struct platform_device *pdev =3D to_platform_device(arcpgu->drm.dev); - struct device_node *encoder_node =3D NULL, *endpoint_node =3D NULL; + struct device_node *encoder_node __free(device_node) =3D NULL; + struct device_node *endpoint_node =3D NULL; struct drm_connector *connector =3D NULL; struct drm_device *drm =3D &arcpgu->drm; int ret; --- base-commit: 4b9c36c83b34f710da9573291404f6a2246251c1 change-id: 20251119-drm-arcgpu-fix-device-node-leak-f909bc1f7fbb Best regards, -- =20 Luca Ceresoli