From 7607e53d56f9470ee221cd5b644dda829f54b005 Mon Sep 17 00:00:00 2001
From: Caspar Schutijser <caspar@schutijser.com>
Date: Sun, 18 Aug 2019 10:38:48 +0200
Subject: [PATCH] Do not crash when using Tunnel in an IPv6-enabled build

socket_connected() is also called on the tunnel pipe.

amends 3ceb55310.
---
 src/socket.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/socket.c b/src/socket.c
index e3fda42..f1def1e 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -545,8 +545,10 @@ static void
 socket_connected( conn_t *conn )
 {
 #ifdef HAVE_IPV6
-	freeaddrinfo( conn->addrs );
-	conn->addrs = 0;
+	if (conn->addrs) {
+		freeaddrinfo( conn->addrs );
+		conn->addrs = 0;
+	}
 #endif
 	conf_notifier( &conn->notify, 0, POLLIN );
 	socket_expect_read( conn, 0 );