From 8299fa3f9e5d459641e01b51e9c016dba08dfbf4 Mon Sep 17 00:00:00 2001
From: unknown <petr@mysql.com>
Date: Fri, 30 Jun 2006 03:28:58 +0400
Subject: [PATCH] fix test failures

mysys/my_pread.c:
  don't set errno without a real error
---
 mysys/my_pread.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mysys/my_pread.c b/mysys/my_pread.c
index eef92b9ebc6..a829caa80d2 100644
--- a/mysys/my_pread.c
+++ b/mysys/my_pread.c
@@ -66,8 +66,9 @@ uint my_pread(File Filedes, byte *Buffer, uint Count, my_off_t offset,
 
     pthread_mutex_unlock(&my_file_info[Filedes].mutex);
 #else
-    error=((readbytes = (uint) pread(Filedes, Buffer, Count, offset)) != Count);
-    my_errno= errno;
+    if ((error= ((readbytes =
+                  (uint) pread(Filedes, Buffer, Count, offset)) != Count)))
+      my_errno= errno;
 #endif
     if (error || readbytes != Count)
     {