# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1252325407 0
# Node ID c09bf4a53b79508bc5962684e6f993d65f8833a9
# Parent  60bbe176475420b0675106ffc4ccc8e348b633cd
do not pass incoming buf chain twice if data are ready,
the bug was introduced in r3072

diff --git a/src/http/ngx_http_copy_filter_module.c b/src/http/ngx_http_copy_filter_module.c
--- a/src/http/ngx_http_copy_filter_module.c
+++ b/src/http/ngx_http_copy_filter_module.c
@@ -174,6 +174,7 @@ ngx_http_copy_filter(ngx_http_request_t 
             n = ngx_file_aio_read(file, &e->aio_preload, 1, offset, r->pool);
 
             if (n > 0) {
+                in = NULL;
                 continue;
             }