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drm/bridge: put the bridge returned by drm_bridge_get_next_bridge()

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The bridge returned by drm_bridge_get_next_bridge() is refcounted. Put it
when done. We need to ensure it is not put before either next_bridge or
next_bridge_state is in use, thus for simplicity use a cleanup action.

Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250801-drm-bridge-alloc-getput-drm_bridge_get_next_bridge-v2-8-888912b0be13@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli 2025-08-01 19:05:30 +02:00
parent 61aa4f7a60
commit da550b5a6b
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/drm_bridge.c
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@ -1121,7 +1121,6 @@ drm_atomic_bridge_propagate_bus_flags(struct drm_bridge *bridge,
struct drm_atomic_state *state)
{
struct drm_bridge_state *bridge_state, *next_bridge_state;
struct drm_bridge *next_bridge;
u32 output_flags = 0;
bridge_state = drm_atomic_get_new_bridge_state(state, bridge);
@ -1130,7 +1129,7 @@ drm_atomic_bridge_propagate_bus_flags(struct drm_bridge *bridge,
if (!bridge_state)
return;
next_bridge = drm_bridge_get_next_bridge(bridge);
struct drm_bridge *next_bridge __free(drm_bridge_put) = drm_bridge_get_next_bridge(bridge);
/*
* Let's try to apply the most common case here, that is, propagate