Fix svn check in bug that broke CWD. Update the connect disconnect support in device command to minimize operations.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10462 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 10 insertions, 0 deletions

diff --git a/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c b/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
index 1db7d7d035..c93304d537 100644
--- a/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
+++ b/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
@@ -409,6 +409,7 @@ EblFileDevicePath (
   Status = gBS->HandleProtocol (File->EfiHandle, &gEfiBlockIoProtocolGuid, (VOID **)&BlkIo);
   if (!EFI_ERROR (Status)) {
     File->FsBlockIoMedia = BlkIo->Media;
+    File->FsBlockIo = BlkIo;
 
     // If we are not opening the device this will get over written with file info
     File->MaxPosition = MultU64x32 (BlkIo->Media->LastBlock + 1, BlkIo->Media->BlockSize);
@@ -1732,6 +1733,15 @@ EfiSetCwd (
     return EFI_INVALID_PARAMETER;
   }
 
+  AsciiStrCpy (gCwd, File->DeviceName);
+  if (File->FileName == NULL) {
+    AsciiStrCat (gCwd, ":\\");
+  } else {
+    AsciiStrCat (gCwd, ":");
+    AsciiStrCat (gCwd, File->FileName);
+  }
+
+
   EfiClose (File);
   if (Path != Cwd) {
     FreePool (Path);