[PATCH 1/1] drm/radeon: fix a null-ptr-deref error

[Nirmoy Das]

Check for NULL value in ttm resource before passing.

Signed-off-by: Nirmoy Das <nirmoy.das at amd.com>
---
 drivers/gpu/drm/radeon/radeon_object.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index bfaaa3c969a3..6e01eef169b7 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -76,7 +76,8 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 
 	bo = container_of(tbo, struct radeon_bo, tbo);
 
-	radeon_update_memory_usage(bo, bo->tbo.resource->mem_type, -1);
+	if (bo->tbo.resource)
+		radeon_update_memory_usage(bo, bo->tbo.resource->mem_type, -1);
 
 	mutex_lock(&bo->rdev->gem.mutex);
 	list_del_init(&bo->list);
-- 
2.31.1