shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 02:21:52 +09:00
Code Issues Packages Projects Releases Wiki Activity

drm/msm: fix potential NULL dereference in cleanup

Browse Source 
[ Upstream commit 027d052a36 ]

The "msm_obj->node" list needs to be initialized earlier so that the
list_del() in msm_gem_free_object() doesn't experience a NULL pointer
dereference.

Fixes: 6ed0897cd8 ("drm/msm: Fix debugfs deadlock")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211013081133.GF6010@kili
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter
2021-10-13 11:11:33 +03:00
committed by Greg Kroah-Hartman
parent cbbe146447
commit 3464103cf4
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/msm/msm_gem.c
View File

@@ -1132,6 +1132,7 @@ static int msm_gem_new_impl(struct drm_device *dev,
msm_obj->flags = flags;
msm_obj->madv = MSM_MADV_WILLNEED;
INIT_LIST_HEAD(&msm_obj->node);
INIT_LIST_HEAD(&msm_obj->vmas);
*obj = &msm_obj->base;