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From: Miaoqian Lin <linmq006@gmail.com>
To: Maxime Ripard <mripard@kernel.org>,
Chen-Yu Tsai <wens@csie.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
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Cc: linmq006@gmail.com,
stable@vger.kernel.org
Subject: [PATCH] drm/sun4i: Fix device node reference leak in
sun4i_tcon_of_get_id_from_port
Date: Wed, 29 Oct 2025 15:49:10 +0800
Message-Id: <20251029074911.19265-1-linmq006@gmail.com>
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drm/sun4i: Fix device node reference leak in sun4i_tcon_of_get_id_from_port
|
|
Commit Message
Miaoqian Lin
Oct. 29, 2025, 7:49 a.m. UTC
Fix a device node reference leak where the remote endpoint node obtained
by of_graph_get_remote_endpoint() was not being properly released.
Add of_node_put() calls after of_property_read_u32() to fix this.
Fixes: e8d5bbf7f4c4 ("drm/sun4i: tcon: get TCON ID and matching engine with remote endpoint ID")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
drivers/gpu/drm/sun4i/sun4i_tcon.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 960e83c8291d..9214769a2857 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -970,6 +970,7 @@ static int sun4i_tcon_of_get_id_from_port(struct device_node *port) continue; ret = of_property_read_u32(remote, "reg", ®); + of_node_put(remote); if (ret) continue;