From 4b7aee0a33097124ec0f833a78479004ceaabf03 Mon Sep 17 00:00:00 2001
From: Jiaxin Wu <jiaxin.wu@intel.com>
Date: Fri, 28 Oct 2016 14:31:30 +0800
Subject: [PATCH] MdeModulePkg: Fix the wrong Timer event check

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
---
 MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c
index 6223895620..a2583a490c 100644
--- a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c
+++ b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c
@@ -258,7 +258,7 @@ Mtftp4GetMapping (
     return FALSE;
   }
 
-  while (!EFI_ERROR (gBS->CheckEvent (Service->TimerToGetMap))) {
+  while (EFI_ERROR (gBS->CheckEvent (Service->TimerToGetMap))) {
     Udp->Poll (Udp);
 
     if (!EFI_ERROR (Udp->GetModeData (Udp, NULL, &Ip4Mode, NULL, NULL)) &&
-- 
2.39.2