# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1365688153 0
# Node ID f6bbe77794aa5882d097d94df38ecd2926d0964a
# Parent  482fda98455654e4af05d6b102450a52743ac720
Upstream: fixed $upstream_response_length without buffering.

Reported by Piotr Sikora.

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
@@ -3307,7 +3307,7 @@ ngx_http_upstream_finalize_request(ngx_h
         u->state->response_sec = tp->sec - u->state->response_sec;
         u->state->response_msec = tp->msec - u->state->response_msec;
 
-        if (u->pipe) {
+        if (u->pipe && u->pipe->read_length) {
             u->state->response_length = u->pipe->read_length;
         }
     }