We recently added locking to this function but there was a direct return
that was overlooked where we need to unlock.
Fixes: 0e08270a1f01 ("drm/msm: Separate locking of buffer resources from struct_mutex")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 65f35544c1ec..065d933df2c3 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -383,8 +383,10 @@ int msm_gem_get_iova(struct drm_gem_object *obj,
struct page **pages;
vma = add_vma(obj, aspace);
- if (IS_ERR(vma))
- return PTR_ERR(vma);
+ if (IS_ERR(vma)) {
+ ret = PTR_ERR(vma);
+ goto unlock;
+ }
pages = get_pages(obj);
if (IS_ERR(pages)) {
@@ -405,7 +407,7 @@ int msm_gem_get_iova(struct drm_gem_object *obj,
fail:
del_vma(vma);
-
+unlock:
mutex_unlock(&msm_obj->lock);
return ret;
}
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