diff options
| author | Greg Kroah-Hartman <[email protected]> | 2021-06-14 07:14:43 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2021-06-14 07:14:43 +0000 |
| commit | 99289bf1a76c0aea6ac0f77335b8c9bdca16aac7 (patch) | |
| tree | 69b9484abfd6014154b925fdc0733438ffdf923f /drivers/gpu/drm/msm/msm_gem.c | |
| parent | vt: vt_kern.h, remove the repeated declaration (diff) | |
| parent | Linux 5.13-rc6 (diff) | |
| download | kernel-99289bf1a76c0aea6ac0f77335b8c9bdca16aac7.tar.gz kernel-99289bf1a76c0aea6ac0f77335b8c9bdca16aac7.zip | |
Merge tag 'v5.13-rc6' into tty-next
We want the tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 56df86e5f740..369d91e6361e 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -1241,6 +1241,13 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, to_msm_bo(obj)->vram_node = &vma->node; + /* Call chain get_pages() -> update_inactive() tries to + * access msm_obj->mm_list, but it is not initialized yet. + * To avoid NULL pointer dereference error, initialize + * mm_list to be empty. + */ + INIT_LIST_HEAD(&msm_obj->mm_list); + msm_gem_lock(obj); pages = get_pages(obj); msm_gem_unlock(obj); |