2 files changed, 13 insertions, 4 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
index 9f99650703..96c3622821 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
@@ -2,7 +2,7 @@
   Implementation of the command set of USB Mass Storage Specification
   for Bootability, Revision 1.0.
 
-Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -189,6 +189,11 @@ UsbBootExecCmd (
     return EFI_TIMEOUT;
   }
 
+  if (Status == EFI_DEVICE_ERROR) {
+    DEBUG ((EFI_D_ERROR, "UsbBootExecCmd: Device Error to Exec 0x%x Cmd\n", *(UINT8 *)Cmd));
+    return EFI_DEVICE_ERROR;
+  }
+
   //
   // If ExecCommand() returns no error and CmdResult is success,
   // then the commnad transfer is successful.
@@ -271,7 +276,7 @@ UsbBootExecCmdWithRetry (
                DataLen,
                Timeout
                );
-    if (Status == EFI_SUCCESS || Status == EFI_MEDIA_CHANGED || Status == EFI_NO_MEDIA) {
+    if (Status == EFI_SUCCESS || Status == EFI_MEDIA_CHANGED || Status == EFI_NO_MEDIA || Status == EFI_DEVICE_ERROR) {
       break;
     }
     //
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c
index dd83540285..0767ff0942 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c
@@ -2,7 +2,7 @@
   Implementation of the USB mass storage Bulk-Only Transport protocol,
   according to USB Mass Storage Class Bulk-Only Transport, Revision 1.0.
 
-Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -432,7 +432,11 @@ UsbBotExecCommand (
   // whether it succeeds or fails.
   //
   TransLen = (UINTN) DataLen;
-  UsbBotDataTransfer (UsbBot, DataDir, Data, &TransLen, Timeout);
+  Status   = UsbBotDataTransfer (UsbBot, DataDir, Data, &TransLen, Timeout);
+  if (Status == EFI_DEVICE_ERROR) {
+    DEBUG ((EFI_D_ERROR, "UsbBotExecCommand: UsbBotDataTransfer (%r)\n", Status));
+    return Status;
+  }
 
   //
   // Get the status, if that succeeds, interpret the result