diff --git a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c
index 98a22a77b4..360365ecc3 100644
--- a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c
+++ b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c
@@ -1,7 +1,7 @@
/** @file
EFI DHCP protocol implementation.
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
+Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -1648,12 +1648,9 @@ ON_EXIT:
//
NET_LIST_FOR_EACH_SAFE (Entry, Next, &DhcpSb->Children) {
Instance = NET_LIST_USER_STRUCT (Entry, DHCP_PROTOCOL, Link);
-
- if ((Instance != NULL) && (Instance->Token != NULL)) {
- Instance->Timeout--;
- if (Instance->Timeout == 0) {
- PxeDhcpDone (Instance);
- }
+ Instance->Timeout--;
+ if (Instance->Timeout == 0 && Instance->Token != NULL) {
+ PxeDhcpDone (Instance);
}
}