Popup a warning if iSCSI initiator name is null before attempt configure.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zh...@intel.com>
Signed-off-by: Zhang, Lubo <lubo.zh...@intel.com>
---
 NetworkPkg/IScsiDxe/IScsiConfig.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/NetworkPkg/IScsiDxe/IScsiConfig.c 
b/NetworkPkg/IScsiDxe/IScsiConfig.c
index c6b48c6..591b522 100644
--- a/NetworkPkg/IScsiDxe/IScsiConfig.c
+++ b/NetworkPkg/IScsiDxe/IScsiConfig.c
@@ -2158,10 +2158,29 @@ IScsiFormCallback (
   CopyMem (&OldIfrNvData, IfrNvData, BufferSize);
 
   if (Action == EFI_BROWSER_ACTION_CHANGING) {
     switch (QuestionId) {
     case KEY_ADD_ATTEMPT:
+      //
+      // Check whether iSCSI initiator name is configured already.
+      //
+      mPrivate->InitiatorNameLength = ISCSI_NAME_MAX_SIZE;
+      Status = gIScsiInitiatorName.Get (
+                                     &gIScsiInitiatorName,
+                                     &mPrivate->InitiatorNameLength,
+                                     mPrivate->InitiatorName
+                                     );
+      if (EFI_ERROR (Status)) {
+        CreatePopUp (
+          EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
+          &Key,
+          L"Error: please configure iSCSI initiator name first!",
+          NULL
+          );        
+        break;
+      }
+      
       Status = IScsiConfigAddAttempt ();
       break;
 
     case KEY_DELETE_ATTEMPT:
       CopyMem (
-- 
1.9.5.msysgit.1



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