From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 94A303AB482; Sat, 30 May 2026 17:48:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780163317; cv=none; b=XOedQWlxndFesOaa4h0UZQjJ4cT+18Q5X+QvaVIpCcnyUbl1meJPEMedqo0ATRTF/bAz5kk7rN9g/J2NFq+arR2fsHHOLlsmqJZ+2lczoSTYTj0s5lStPj16RsWd/24FS0zxenNz+rJplTHHX+NZwA5jSiZzhBioeWQgOytvhCI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780163317; c=relaxed/simple; bh=w0sisKJp8+bZk/QGGrY9P6bYzrbAcrLSrOz6jR6nI2E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HPbL3FUoyaPIABf4qbz3TY0mQI6UcNcqGawJPCxgnjVgQ4FRaAcjpOOaSnfS/7xuNO6Eq5JSA/WVhcqe2A24AGPb46axflukQS3rcq+cwQiQjUjDOOo5ZRfsyQPfwRawwqWLKkJAy5ZPumOhYhKNjfdYTwcjrnonxyxtZklyQ8g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=eOQsGeRy; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="eOQsGeRy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6CD81F00893; Sat, 30 May 2026 17:48:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780163316; bh=aC5QsmzGlieSElXFnos8+H/e4wJEL4a5Acbp2X1XFag=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=eOQsGeRyk+z5Bottu/0U13Bu8zZlGve1DFgNT3Tn7H9NA+P5NsrM+QtF0Mdm79vz5 A+HbRYNlmUzMy/lsd1HRTVkeeIykkoXq1+5YEPV6LJhpK3dwCk3JJoiFfWLZlBXQEw VGSqTOFCpo84bQlxya4Q91x17ibmYZ7I3M5n0WFI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Louis Chauvet , Luca Ceresoli Subject: [PATCH 5.15 221/776] drm/arcpgu: fix device node leak Date: Sat, 30 May 2026 17:58:55 +0200 Message-ID: <20260530160246.234100367@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260530160240.228940103@linuxfoundation.org> References: <20260530160240.228940103@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Luca Ceresoli commit ad3ac32a3893a2bbcad545efc005a8e4e7ecf10c upstream. 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 Reviewed-by: Louis Chauvet Link: https://patch.msgid.link/20260402-drm-arcgpu-fix-device-node-leak-v2-1-d773cf754ae5@bootlin.com Signed-off-by: Luca Ceresoli Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/tiny/arcpgu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/tiny/arcpgu.c +++ b/drivers/gpu/drm/tiny/arcpgu.c @@ -245,7 +245,8 @@ DEFINE_DRM_GEM_CMA_FOPS(arcpgu_drm_ops); static int arcpgu_load(struct arcpgu_drm_private *arcpgu) { struct platform_device *pdev = to_platform_device(arcpgu->drm.dev); - struct device_node *encoder_node = NULL, *endpoint_node = NULL; + struct device_node *encoder_node __free(device_node) = NULL; + struct device_node *endpoint_node = NULL; struct drm_connector *connector = NULL; struct drm_device *drm = &arcpgu->drm; struct resource *res;