When pm_runtime_resume_and_get() fails, unlock before returning.
Fixes: 5814b8bf086a ("drm/msm/dp: incorporate pm_runtime framework into DP
driver")
Signed-off-by: Harshit Mogalapalli <[email protected]>
---
This is based on static analysis with Smatch. Only compile tested.
---
drivers/gpu/drm/msm/dp/dp_display.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 61b7103498a7..b57ff6c3215d 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -569,6 +569,7 @@ static int dp_hpd_plug_handle(struct dp_display_private
*dp, u32 data)
ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret) {
DRM_ERROR("failed to pm_runtime_resume\n");
+ mutex_unlock(&dp->event_mutex);
return ret;
}
--
2.39.3
