The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From a4b4385d0523e39a7c058cb5a6c8269e513126ca Mon Sep 17 00:00:00 2001 From: Luca Ceresoli <[email protected]> Date: Fri, 9 Jan 2026 08:31:32 +0100 Subject: [PATCH] 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: c70087e8f16f ("drm/drm_of: add drm_of_panel_bridge_remove function") Cc: [email protected] # v4.15 Acked-by: Maxime Ripard <[email protected]> Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-2-v2-1-8bad3ef90...@bootlin.com Signed-off-by: Luca Ceresoli <[email protected]> --- include/drm/drm_of.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h index 7f0256dae3f13..f3e55ea2174c0 100644 --- a/include/drm/drm_of.h +++ b/include/drm/drm_of.h @@ -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; -- 2.51.0
