MdeMdeModulePkg/UsbBusDxe: If DisconnectController() returns an error the USB Bus Driver would retry the DisconnectController() from a timer event until it succeeds

Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14819 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.c

@@ -988,6 +988,10 @@ UsbHubResetPort (
   for (Index = 0; Index < USB_WAIT_PORT_STS_CHANGE_LOOP; Index++) {
     Status = UsbHubGetPortStatus (HubIf, Port, &PortState);
 
+    if (EFI_ERROR (Status)) {
+      return Status;
+    }
+
     if (!EFI_ERROR (Status) &&
         USB_BIT_IS_SET (PortState.PortChangeStatus, USB_PORT_STAT_C_RESET)) {
       gBS->Stall (USB_SET_PORT_RECOVERY_STALL);