1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index aded1e11e8ff..af93cc55259f 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -254,6 +254,9 @@ void drm_mm_remove_node(struct drm_mm_node *node)
         struct drm_mm *mm = node->mm;
         struct drm_mm_node *prev_node;
 
+        if (WARN_ON(!node->allocated))
+                return;
+
         BUG_ON(node->scanned_block || node->scanned_prev_free
                                    || node->scanned_next_free);