shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 03:15:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

drm: bridge: cdns-mhdp8546: Fix missing mutex unlock on error path

Browse Source 
[ Upstream commit 288dac9fb6084330d968459c750c838fd06e10e6 ]

Add missing mutex unlock before returning from the error path in
cdns_mhdp_atomic_enable().

Fixes: 935a92a1c400 ("drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qi Xi <xiqi2@huawei.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250904034447.665427-1-xiqi2@huawei.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Qi Xi
2025-09-04 11:44:47 +08:00
committed by Greg Kroah-Hartman
parent 15a77e1ab0
commit 6a075f80f3
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
View File

@@ -2057,8 +2057,10 @@ static void cdns_mhdp_atomic_enable(struct drm_bridge *bridge,
mhdp_state = to_cdns_mhdp_bridge_state(new_state);
mhdp_state->current_mode = drm_mode_duplicate(bridge->dev, mode);
if (!mhdp_state->current_mode)
return;
if (!mhdp_state->current_mode) {
ret = -EINVAL;
goto out;
}
drm_mode_set_name(mhdp_state->current_mode);