MdeModulePkg: Fix the issue EfiPxeBcDhcp() may return wrong status.

[mirror_edk2.git] / MdeModulePkg / Universal / Network / UefiPxeBcDxe / PxeBcImpl.c

diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
index 7bdffc55d0f7456a0fccb1f2c89bbe3abbde3dee..0c54f46516ac8134ddd37e1ad10bd0b5a63e9840 100644 (file)
--- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
+++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
@@ -1,7 +1,7 @@
 /** @file\r
   Interface routines for PxeBc.\r
 \r
-Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2007 - 2013, 2015, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -626,7 +626,7 @@ EfiPxeBcDhcp (
   ZeroMem (Private->ProxyIndex, sizeof (Private->ProxyIndex));\r
 \r
   Status = Dhcp4->Start (Dhcp4, NULL);\r
-  if (EFI_ERROR (Status)) {\r
+  if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r
     if (Status == EFI_ICMP_ERROR) {\r
       Mode->IcmpErrorReceived = TRUE;\r
     }\r