Prevent freeing a NULL pointer when a hostname is unresolvable.

[tinc] / src / net_socket.c

diff --git a/src/net_socket.c b/src/net_socket.c
index bf5130d..753229b 100644 (file)
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -300,7 +300,8 @@ begin:
        }
 
        if(!c->outgoing->aip) {
-               freeaddrinfo(c->outgoing->ai);
+               if(c->outgoing->ai)
+                       freeaddrinfo(c->outgoing->ai);
                c->outgoing->ai = NULL;
                goto begin;
        }