MIRRORS/linux-yocto
1
0
Fork 0
mirror of git://git.yoctoproject.org/linux-yocto.git synced 2025-10-23 07:23:12 +02:00
Code Issues Actions 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: 935a92a1c4 ("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 51a501e990
commit dfca6fa9d1
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -2040,8 +2040,10 @@ 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);