rbtree: fix allocation failre paths.

diff --git a/ccan/rbtree/rbtree.c b/ccan/rbtree/rbtree.c
index e3b4a9518fe0b64537c5933c30ab8578b10c46c8..f0a74edb6317ed0f6b02d880f81ce9f15e8b70c6 100644 (file)
--- a/ccan/rbtree/rbtree.c
+++ b/ccan/rbtree/rbtree.c
@@ -671,6 +671,8 @@ trbt_insert32(trbt_tree_t *tree, uint32_t key, void *data)
                                trbt_node_t *new_node;
 
                                new_node = trbt_create_node(tree, node, key, data);
                                trbt_node_t *new_node;
 
                                new_node = trbt_create_node(tree, node, key, data);

+                               if (!new_node)
+                                       return NULL;

                                node->left=new_node;
                                node=new_node;
 
                                node->left=new_node;
                                node=new_node;
 


@@ -685,6 +687,8 @@ trbt_insert32(trbt_tree_t *tree, uint32_t key, void *data)
                                trbt_node_t *new_node;
 
                                new_node = trbt_create_node(tree, node, key, data);
                                trbt_node_t *new_node;
 
                                new_node = trbt_create_node(tree, node, key, data);

+                               if (!new_node)
+                                       return NULL;

                                node->right=new_node;
                                node=new_node;
                                break;
                                node->right=new_node;
                                node=new_node;
                                break;