Commit a4b4385d authored by Luca Ceresoli's avatar Luca Ceresoli
Browse files

drm: of: drm_of_panel_bridge_remove(): fix device_node leak 



drm_of_panel_bridge_remove() uses of_graph_get_remote_node() to get a
device_node but does not put the node reference.

Fixes: c70087e8 ("drm/drm_of: add drm_of_panel_bridge_remove function")
Cc: stable@vger.kernel.org # v4.15
Acked-by: default avatarMaxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-1-8bad3ef90b9f@bootlin.com


Signed-off-by: default avatarLuca Ceresoli <luca.ceresoli@bootlin.com>
parent a8bdd931

include/drm/drm_of.h

+3 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 
#include <linux/err.h>

#include <linux/of_graph.h>

#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)

#include <linux/of.h>

#include <drm/drm_bridge.h>

#endif
@@ -173,6 +174,8 @@ static inline int drm_of_panel_bridge_remove(const struct device_node *np, 
	bridge = of_drm_find_bridge(remote);

	drm_panel_bridge_remove(bridge);



	of_node_put(remote);



	return 0;

#else

	return -EINVAL;