[PATCH] drm/panfrost: Fix leak when free gem object

[lihongtao]

obj->mappings.lock should be destroyed when free
panfrost gem object in panfrost_gem_free_object.

Signed-off-by: lihongtao <lihongtao at kylinos.cn>
---
 drivers/gpu/drm/panfrost/panfrost_gem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c
index 963f04ba2de6..00549f482eec 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.c
@@ -49,6 +49,7 @@ static void panfrost_gem_free_object(struct drm_gem_object *obj)
 		kvfree(bo->sgts);
 	}
 
+	mutex_destroy(&bo->mappings.lock);
 	drm_gem_shmem_free(&bo->base);
 }
 
-- 
2.25.1