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-rw-r--r--lib/radix-tree.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 7cbdada51049..b32efae7688e 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -389,8 +389,7 @@ void *radix_tree_tag_set(struct radix_tree_root *root,
struct radix_tree_node *slot;
height = root->height;
- if (index > radix_tree_maxindex(height))
- return NULL;
+ BUG_ON(index > radix_tree_maxindex(height));
slot = root->rnode;
shift = (height - 1) * RADIX_TREE_MAP_SHIFT;
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