nginx 1.1.5 *) 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.

--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -1784,13 +1784,12 @@ ngx_http_send_response(ngx_http_request_
     ngx_buf_t    *b;
     ngx_chain_t   out;
 
+    if (ngx_http_discard_request_body(r) != NGX_OK) {
+        return NGX_HTTP_INTERNAL_SERVER_ERROR;
+    }
+
     r->headers_out.status = status;
 
-    if (status == NGX_HTTP_NO_CONTENT) {
-        r->header_only = 1;
-        return ngx_http_send_header(r);
-    }
-
     if (ngx_http_complex_value(r, cv, &val) != NGX_OK) {
         return NGX_HTTP_INTERNAL_SERVER_ERROR;
     }