[PATCH] USB: dvb usb driver sleeping in interrupt

submitting an URB in a completion handler requires GFP_ATOMIC to be
used.

  - usb_submit_urb must use GFP_ATOMIC in interrupt

drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c

@@ -788,7 +788,7 @@ static void ttusb_iso_irq(struct urb *urb, struct pt_regs *ptregs)
 		}
 	}
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-	usb_submit_urb(urb, GFP_KERNEL);
+	usb_submit_urb(urb, GFP_ATOMIC);
 #endif
 }