From 89601c0f100013c59f17d66a7b23633cc23f1501 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Tue, 3 Nov 2009 16:04:07 +0000
Subject: [PATCH] fix segfault if no rules are defined, introduced in r3279

---
 src/http/modules/ngx_http_access_module.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/http/modules/ngx_http_access_module.c b/src/http/modules/ngx_http_access_module.c
index 90f33ca0d..c1e7718c0 100644
--- a/src/http/modules/ngx_http_access_module.c
+++ b/src/http/modules/ngx_http_access_module.c
@@ -113,7 +113,7 @@ ngx_http_access_handler(ngx_http_request_t *r)
 
 #if (NGX_HAVE_INET6)
 
-    if (r->connection->sockaddr->sa_family == AF_INET6) {
+    if (alcf->rules6 && r->connection->sockaddr->sa_family == AF_INET6) {
         u_char               *p;
         in_addr_t             addr;
         struct sockaddr_in6  *sin6;
@@ -134,7 +134,7 @@ ngx_http_access_handler(ngx_http_request_t *r)
 
 #endif
 
-    if (r->connection->sockaddr->sa_family == AF_INET) {
+    if (alcf->rules && r->connection->sockaddr->sa_family == AF_INET) {
         sin = (struct sockaddr_in *) r->connection->sockaddr;
         return ngx_http_access_inet(r, alcf, sin->sin_addr.s_addr);
     }