From ce61ff9c453702d45998e1ae1394dc44e9c5eb6a Mon Sep 17 00:00:00 2001
From: Maxim Dounin <mdounin@mdounin.ru>
Date: Fri, 21 Oct 2011 11:04:46 +0000
Subject: [PATCH] Fixed another return in unix ngx_write_chain_to_file().

Previous patch missed special case for one iovec, it needs total bytes
written to be returned as well.
---
 src/os/unix/ngx_files.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/os/unix/ngx_files.c b/src/os/unix/ngx_files.c
index 4bfde44f4..ad26d2752 100644
--- a/src/os/unix/ngx_files.c
+++ b/src/os/unix/ngx_files.c
@@ -204,8 +204,15 @@ ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset,
 
         if (vec.nelts == 1) {
             iov = vec.elts;
-            return ngx_write_file(file, (u_char *) iov[0].iov_base,
-                                  iov[0].iov_len, offset);
+
+            n = ngx_write_file(file, (u_char *) iov[0].iov_base,
+                               iov[0].iov_len, offset);
+
+            if (n == NGX_ERROR) {
+                return n;
+            }
+
+            return total + n;
         }
 
         if (file->sys_offset != offset) {