diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 7811ed3b4e701c2e0d82368a8bae457279ca3246..bd4a8dfdf0b8052cdaedd0b3478eea4138ac100a 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -1253,8 +1253,10 @@ unsigned long radix_tree_locate_item(struct radix_tree_root *root, void *item)
 
 		node = indirect_to_ptr(node);
 		max_index = radix_tree_maxindex(node->height);
-		if (cur_index > max_index)
+		if (cur_index > max_index) {
+			rcu_read_unlock();
 			break;
+		}
 
 		cur_index = __locate(node, item, cur_index, &found_index);
 		rcu_read_unlock();