pike: safety check for null node

kamailio · Apr 10, 2021 · c9dc033 · c9dc033
1 parent 912e2ef
commit c9dc033
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/modules/pike/ip_tree.c b/src/modules/pike/ip_tree.c
@@ -285,7 +285,7 @@ pike_ip_node_t* mark_node(unsigned char *ip,int ip_len,
 	int    byte_pos;
 
 	kid = pike_root->entries[ ip[0] ].node;
-	node = 0;
+	node = NULL;
 	byte_pos = 0;
 
 	LM_DBG("search on branch %d (top=%p)\n", ip[0],kid);
@@ -301,6 +301,10 @@ pike_ip_node_t* mark_node(unsigned char *ip,int ip_len,
 		}
 	}
 
+	if(node==NULL) {
+		return NULL;
+	}
+
 	LM_DBG("only first %d were matched!\n",byte_pos);
 	*flag = 0;
 	*father = 0;