iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm: msm: fix possible memory leak in mdp5_crtc_cursor_set()

Browse Source 
[ Upstream commit 947a844bb3ebff0f4736d244d792ce129f6700d7 ]

drm_gem_object_lookup will call drm_gem_object_get inside. So cursor_bo
needs to be put when msm_gem_get_and_pin_iova fails.

Fixes: e172d10a9c4a ("drm/msm/mdp5: Add hardware cursor support")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220509061125.18585-1-hbh25y@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hangyu Hua 2022-05-09 14:11:25 +08:00 committed by Greg Kroah-Hartman
parent edff4c1af8
commit 33546183c1
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
View File

@ -989,8 +989,10 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc,
ret = msm_gem_get_and_pin_iova(cursor_bo, kms->aspace,
&mdp5_crtc->cursor.iova);
if (ret)
if (ret) {
drm_gem_object_put(cursor_bo);
return -EINVAL;
}
pm_runtime_get_sync(&pdev->dev);