# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1168881163 0
# Node ID bf1785dfb75f85dd5cdf7af8209ab5e889d4691f
# Parent  5a86fcc480c69b258190e0d6fd7798ebda8dc543
allow the upstream modules to send a header only

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -1356,7 +1356,7 @@ ngx_http_upstream_send_response(ngx_http
 
     rc = ngx_http_send_header(r);
 
-    if (rc == NGX_ERROR || rc > NGX_OK || r->post_action) {
+    if (rc == NGX_ERROR || rc > NGX_OK || r->post_action || r->header_only) {
         ngx_http_upstream_finalize_request(r, u, rc);
         return;
     }