dmq: safety check for peer_list when calling the callbacks

- can result in crashing if it is not set - reported by Olle E. Johansson
kamailio · Jan 8, 2015 · cc5f96f · cc5f96f
1 parent af9fba8
commit cc5f96f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/modules/dmq/notification_peer.c b/modules/dmq/notification_peer.c
@@ -173,6 +173,10 @@ int extract_node_list(dmq_node_list_t* update_list, struct sip_msg* msg)
 int run_init_callbacks() {
 	dmq_peer_t* crt;
 
+	if(peer_list==0) {
+		LM_WARN("peer list is null\n");
+		return 0;
+	}
 	crt = peer_list->peers;
 	while(crt) {
 		if (crt->init_callback) {