diff options
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbMouseDxe/UsbMouse.c')
-rw-r--r-- | MdeModulePkg/Bus/Usb/UsbMouseDxe/UsbMouse.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbMouseDxe/UsbMouse.c b/MdeModulePkg/Bus/Usb/UsbMouseDxe/UsbMouse.c index 8b8a21eae8..f51dbfa1cf 100644 --- a/MdeModulePkg/Bus/Usb/UsbMouseDxe/UsbMouse.c +++ b/MdeModulePkg/Bus/Usb/UsbMouseDxe/UsbMouse.c @@ -149,7 +149,9 @@ USBMouseDriverBindingStart ( UINT8 PollingInterval;
UINT8 PacketSize;
BOOLEAN Found;
+ EFI_TPL OldTpl;
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
//
// Open USB I/O Protocol
//
@@ -162,7 +164,7 @@ USBMouseDriverBindingStart ( EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
- return Status;
+ goto ErrorExit1;
}
UsbMouseDevice = AllocateZeroPool (sizeof (USB_MOUSE_DEV));
@@ -324,6 +326,8 @@ USBMouseDriverBindingStart ( FALSE
);
+ gBS->RestoreTPL (OldTpl);
+
return EFI_SUCCESS;
//
@@ -348,6 +352,8 @@ ErrorExit: }
}
+ErrorExit1:
+ gBS->RestoreTPL (OldTpl);
return Status;
}
|