Changes with nginx 1.1.5 05 Oct 2011v1.1.5

*) Feature: the "uwsgi_buffering" and "scgi_buffering" directives.
Thanks to Peter Smit.

*) Bugfix: non-cacheable responses might be cached if
"proxy_cache_bypass" directive was used.
Thanks to John Ferlito.

*) Bugfix: in HTTP/1.1 support in the ngx_http_proxy_module.

*) Bugfix: cached responses with an empty body were returned
incorrectly; the bug had appeared in 0.8.31.

*) Bugfix: 201 responses of the ngx_http_dav_module were incorrect; the
bug had appeared in 0.8.32.

*) Bugfix: in the "return" directive.

*) Bugfix: the "ssl_session_cache builtin" directive caused segmentation
fault; the bug had appeared in 1.1.1.

1 files changed, 13 insertions, 5 deletions

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index ef16a662c..89d21d860 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -683,6 +683,8 @@ ngx_http_upstream_cache(ngx_http_request_t *r, ngx_http_upstream_t *u)
             return NGX_DECLINED;
         }
 
+        u->cacheable = 1;
+
         switch (ngx_http_test_predicates(r, u->conf->cache_bypass)) {
 
         case NGX_ERROR:
@@ -696,8 +698,6 @@ ngx_http_upstream_cache(ngx_http_request_t *r, ngx_http_upstream_t *u)
             break;
         }
 
-        u->cacheable = 1;
-
         c = r->cache;
 
         c->min_uses = u->conf->cache_min_uses;
@@ -2181,8 +2181,6 @@ ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u)
                 ngx_http_upstream_finalize_request(r, u, 0);
                 return;
             }
-
-            u->cacheable = 1;
         }
 
         break;
@@ -2927,6 +2925,7 @@ ngx_http_upstream_next(ngx_http_request_t *r, ngx_http_upstream_t *u,
         }
 
         ngx_close_connection(u->peer.connection);
+        u->peer.connection = NULL;
     }
 
 #if 0
@@ -3071,7 +3070,12 @@ ngx_http_upstream_finalize_request(ngx_http_request_t *r,
 
     r->connection->log->action = "sending to client";
 
-    if (rc == 0) {
+    if (rc == 0
+#if (NGX_HTTP_CACHE)
+        && !r->cached
+#endif
+       )
+    {
         rc = ngx_http_send_special(r, NGX_HTTP_LAST);
     }
 
@@ -4329,6 +4333,10 @@ ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags)
             continue;
         }
 
+        if (flags & NGX_HTTP_UPSTREAM_CREATE) {
+            uscfp[i]->flags = flags;
+        }
+
         return uscfp[i];
     }