Fix a bug by adding CoreReleaseProtocolLock.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5866 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Core/Dxe/Hand/DriverSupport.c

@@ -143,6 +143,7 @@ CoreConnectController (
     //
     ChildHandleBuffer = AllocatePool (ChildHandleCount * sizeof(EFI_HANDLE));
     if (ChildHandleBuffer == NULL) {
+      CoreReleaseProtocolLock ();
       return EFI_OUT_OF_RESOURCES;
     }
 

MdeModulePkg/Core/Dxe/Hand/Notify.c

@@ -280,10 +280,10 @@ CoreReinstallProtocolInterface (
   //
   CoreNotifyProtocolEntry (ProtEntry);
 
-  CoreReleaseProtocolLock ();
-
   Status = EFI_SUCCESS;
 
 Done:
+  CoreReleaseProtocolLock ();
+
   return Status;
 }