rdxtree: add assertion

Make scan-build happy.

1 files changed, 1 insertions, 0 deletions

diff --git a/rdxtree.c b/rdxtree.c
index f0be96b..8c903fa 100644
--- a/rdxtree.c
+++ b/rdxtree.c
@@ -686,6 +686,7 @@ rdxtree_walk(struct rdxtree *tree, struct rdxtree_node *node)
     if (node == NULL) {
         height = tree->height;
         node = rdxtree_entry_addr(tree->root);
+        assert(node != NULL);
 
         while (height > 1) {
             node = rdxtree_node_find(node, 0, 0);