--- drivers/usb/core/generic.c

+++ drivers/usb/core/generic.c

@@ -120,7 +120,7 @@ int usb_choose_configuration(struct usb_

* than a vendor-specific driver. */

else if (udev->descriptor.bDeviceClass !=

USB_CLASS_VENDOR_SPEC &&

- (!desc || desc->bInterfaceClass !=

+ (desc && desc->bInterfaceClass !=

USB_CLASS_VENDOR_SPEC)) {

best = c;

break;