MdeModulePkg: Update IP4 stack drivers for classless address unicast check.

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Dhcp4Dxe / Dhcp4Io.c

diff --git a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c
index 037d1cc39e7cdbe3813512d1cfa2a882c5a90aa9..3898223af5db37d910862e360bcdff9fbd245a14 100644 (file)
--- a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c
+++ b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c
@@ -393,8 +393,6 @@ DhcpLeaseAcquired (
   IN OUT DHCP_SERVICE           *DhcpSb\r
   )\r
 {\r
-  INTN                      Class;\r
-\r
   DhcpSb->ClientAddr = EFI_NTOHL (DhcpSb->Selected->Dhcp4.Header.YourAddr);\r
 \r
   if (DhcpSb->Para != NULL) {\r
@@ -403,9 +401,7 @@ DhcpLeaseAcquired (
   }\r
 \r
   if (DhcpSb->Netmask == 0) {\r
-    Class           = NetGetIpClass (DhcpSb->ClientAddr);\r
-    ASSERT (Class < IP4_ADDR_CLASSE);\r
-    DhcpSb->Netmask = gIp4AllMasks[Class << 3];\r
+    return EFI_ABORTED;\r
   }\r
 \r
   if (DhcpSb->LeaseIoPort != NULL) {\r