installing HII config access protocol on child handle instead of installing on NIC physical handle, to avoid conflict with the HII config access protocol installed on NIC physical handle.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9665 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c

@@ -42,8 +42,6 @@ EfiIp4ConfigUnload (
 {
   UINT32      Index;
 
-  Ip4ConfigFormUnload ();
-
   //
   //  Stop all the IP4_CONFIG instances
   //
@@ -81,8 +79,6 @@ Ip4ConfigDriverEntryPoint (
   IN EFI_SYSTEM_TABLE       *SystemTable
   )
 {
-  Ip4ConfigFormInit ();
-
   return EfiLibInstallDriverBindingComponentName2 (
            ImageHandle,
            SystemTable,
@@ -161,6 +157,16 @@ Ip4ConfigDriverBindingStart (
   IP4_CONFIG_VARIABLE           *NewVariable;
   EFI_STATUS                    Status;
   UINT32                        Index;
+  EFI_DEVICE_PATH_PROTOCOL      *ParentDevicePath;
+  
+  Status = gBS->HandleProtocol (
+                  ControllerHandle,
+                  &gEfiDevicePathProtocolGuid,
+                  (VOID **) &ParentDevicePath
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
 
   //
   // Check for multiple start.
@@ -222,6 +228,7 @@ Ip4ConfigDriverBindingStart (
   Instance->Signature         = IP4_CONFIG_INSTANCE_SIGNATURE;
   Instance->Controller        = ControllerHandle;
   Instance->Image             = This->DriverBindingHandle;
+  Instance->ParentDevicePath  = ParentDevicePath;
 
   CopyMem (&Instance->Ip4ConfigProtocol, &mIp4ConfigProtocolTemplate, sizeof (mIp4ConfigProtocolTemplate));
 
@@ -272,12 +279,6 @@ Ip4ConfigDriverBindingStart (
   }
 
   Status = Ip4ConfigDeviceInit (Instance);
-  if (!EFI_ERROR (Status)) {
-    //
-    // Try to add a port configuration page for this controller.
-    //
-    Ip4ConfigUpdateForm (Instance, TRUE);
-  }
 
   //
   // Install the IP4_CONFIG and NIC_IP4CONFIG protocols