# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1253612697 0
# Node ID cbb1add4a6fee62f922d9193acd4c7a7a7136d68
# Parent  29ba1de1ab0b591b9d49fb259659b0210b64aa1a
fail if file size was changed

diff --git a/src/core/ngx_output_chain.c b/src/core/ngx_output_chain.c
--- a/src/core/ngx_output_chain.c
+++ b/src/core/ngx_output_chain.c
@@ -571,9 +571,7 @@ ngx_output_chain_copy_buf(ngx_output_cha
             ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
                           ngx_read_file_n " read only %z of %O from \"%s\"",
                           n, size, src->file->name.data);
-            if (n == 0) {
-                return NGX_ERROR;
-            }
+            return NGX_ERROR;
         }
 
         dst->last += n;