Fix lost pointer trails in get_known_addresses().

diff --git a/src/net_socket.c b/src/net_socket.c
index 8259d9a..36ea5fe 100644 (file)
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -570,6 +570,7 @@ begin:
 // Find edges pointing to this node, and use them to build a list of unique, known addresses.
 static struct addrinfo *get_known_addresses(node_t *n) {
        struct addrinfo *ai = NULL;
+       struct addrinfo *oai = NULL;
 
        for splay_each(edge_t, e, n->edge_tree) {
                if(!e->reverse)
@@ -585,16 +586,15 @@ static struct addrinfo *get_known_addresses(node_t *n) {
                if(found)
                        continue;
 
-               struct addrinfo *nai = xzalloc(sizeof *nai);
-               if(ai)
-                       ai->ai_next = nai;
-               ai = nai;
+               oai = ai;
+               ai = xzalloc(sizeof *ai);
                ai->ai_family = e->reverse->address.sa.sa_family;
                ai->ai_socktype = SOCK_STREAM;
                ai->ai_protocol = IPPROTO_TCP;
                ai->ai_addrlen = SALEN(e->reverse->address.sa);
                ai->ai_addr = xmalloc(ai->ai_addrlen);
                memcpy(ai->ai_addr, &e->reverse->address, ai->ai_addrlen);
+               ai->ai_next = oai;
        }
 
        return ai;