From 2e3287bc6a7984df5d204ea666a53405cd2242f8 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Wed, 7 May 2008 13:29:18 +0200
Subject: [PATCH] ntdll: Serial with ReadIntervalTimeout set to MAXDWORD should
 return immediately even if nothing was read.

---
 dlls/ntdll/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index ce9491799c3..fd72a612486 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -433,7 +433,7 @@ static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG
                         timeouts->total += count * st.ReadTotalTimeoutMultiplier;
                 }
                 else if (st.ReadIntervalTimeout == MAXDWORD)
-                    timeouts->interval = 0;
+                    timeouts->interval = timeouts->total = 0;
             }
             else  /* write */
             {