[PATCH] USB: implement error event in usbmon

Implement the "error" event in usbmon.

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h
index 9270283..33678c2 100644
--- a/drivers/usb/mon/usb_mon.h
+++ b/drivers/usb/mon/usb_mon.h
@@ -40,6 +40,7 @@
 	void *r_data;		/* Use container_of instead? */
 
 	void (*rnf_submit)(void *data, struct urb *urb);
+	void (*rnf_error)(void *data, struct urb *urb, int error);
 	void (*rnf_complete)(void *data, struct urb *urb);
 };