From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5DCBF3FF1D5; Fri, 15 May 2026 15:59:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778860774; cv=none; b=ZQzZUUwuHaqKRL4SuwdftdTRK9soh4AozgHAgroo6jfMIbbwEHVOe8Isdj57jqzSv5S+JZ/KzhxaJd32l0Ts0SnFYlMJ2b0eAibxwv+J4L9LHV+qvuNJ+SFRVXbRFlUwDWNv11BDQfLmO+6bofXoo53CBC5TBaojju51Gpvac2Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778860774; c=relaxed/simple; bh=8rUm8zxIwbfe9H+3ia4yufm2TPXSFZYNVGZrqz4J5aw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HXgxDGx5iORyRJdTbkzRRhEdvr7blrw+9pBc1ThpVN/G7OEyRA72gOSf81+SrB7OIMRd+oCtSnyXtF2twtNp7+Dlv69uSla1ayyie3gC0A6RyevBHICt+tvOwRDSI1vaOU3ndkhJ6IAyaciTxEFQ9ylzXMhv3/5kJZlYMFv8dxE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mBLaOvmg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="mBLaOvmg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EA79DC2BCB0; Fri, 15 May 2026 15:59:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778860774; bh=8rUm8zxIwbfe9H+3ia4yufm2TPXSFZYNVGZrqz4J5aw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mBLaOvmgxQjOAxOliyPiOQCN+Q+JQbbmnXBvBC+FJjEx2piaqmgomTggQjb9ULNg6 1iVawQ3fuRdTctmsFiuKtgIKrslIlp7cu7V1oGI0zDAJD1A6Xv+eQEDbrTTLqDiZW0 B4haewsYm7ksxcqC0GGwzkIACcjiqAGH5dOEO4oA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Louis Chauvet , Luca Ceresoli Subject: [PATCH 6.6 075/474] drm/arcpgu: fix device node leak Date: Fri, 15 May 2026 17:43:04 +0200 Message-ID: <20260515154716.663282569@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260515154715.053014143@linuxfoundation.org> References: <20260515154715.053014143@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 6.6-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 @@ -248,7 +248,8 @@ DEFINE_DRM_GEM_DMA_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;