X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FNetwork%2FUefiPxeBcDxe%2FPxeBcImpl.c;fp=MdeModulePkg%2FUniversal%2FNetwork%2FUefiPxeBcDxe%2FPxeBcImpl.c;h=639da4880f247073ce3391c2676e588f9f6d28cd;hp=4746256fa0fcf1676df321d8e9a2faec585b83da;hb=e86f363564e79dc719bbeed8ce87271b2972f55d;hpb=92ec8772df33f3c758763adcaf42fd42c8da812c

diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
index 4746256fa0..639da4880f 100644
--- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
+++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
@@ -2317,11 +2317,15 @@ EfiPxeBcSetStationIP (
   if (NewSubnetMask != NULL && !IP4_IS_VALID_NETMASK (NTOHL (NewSubnetMask->Addr[0]))) {
     return EFI_INVALID_PARAMETER;
   }
-  
-  if (NewStationIp != NULL && !NetIp4IsUnicast (NTOHL (NewStationIp->Addr[0]), NTOHL (NewSubnetMask->Addr[0]))) {
-    return EFI_INVALID_PARAMETER;
-  }
 
+  if (NewStationIp != NULL) {
+    if (IP4_IS_UNSPECIFIED(NTOHL (NewStationIp->Addr[0])) || 
+        IP4_IS_LOCAL_BROADCAST(NTOHL (NewStationIp->Addr[0])) ||
+        (NewSubnetMask != NULL && !NetIp4IsUnicast (NTOHL (NewStationIp->Addr[0]), NTOHL (NewSubnetMask->Addr[0])))) {
+      return EFI_INVALID_PARAMETER;
+    }
+  }
+  
   Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
   Mode    = Private->PxeBc.Mode;