# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1256204922 0
# Node ID 1e1e66ef3a4052861548e8aa2fa5a90ca17f567d
# Parent  a610008bdc1a6794c0e56f3af09e8fd7f242318a
do not run regex for empty host name since regex always fails in this case,
the bug had been introduced in r2196

diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1688,7 +1688,7 @@ ngx_http_find_virtual_server(ngx_http_re
 
 #if (NGX_PCRE)
 
-    if (r->virtual_names->nregex) {
+    if (len && r->virtual_names->nregex) {
         size_t                   ncaptures;
         ngx_int_t                n;
         ngx_uint_t               i;