On 2022/5/9 14:11, Hangyu Hua wrote:
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@xxxxxxxxx>
---
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
index b966cd69f99d..6a5f73f6a23b 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
@@ -991,8 +991,10 @@ 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);
Gentel ping.