689 	struct urb **urbs;  in alloc_urbs()  local
697 	urbs = kmalloc_array(N_URBS, sizeof(*urbs), GFP_KERNEL);  in alloc_urbs()
698 	if (!urbs) {  in alloc_urbs()
704 		urbs[i] = usb_alloc_urb(FRAMES_PER_URB, GFP_KERNEL);  in alloc_urbs()
705 		if (!urbs[i]) {  in alloc_urbs()
707 			return urbs;  in alloc_urbs()
710 		urbs[i]->transfer_buffer =  in alloc_urbs()
713 		if (!urbs[i]->transfer_buffer) {  in alloc_urbs()
715 			return urbs;  in alloc_urbs()
720 				&urbs[i]->iso_frame_desc[frame];  in alloc_urbs()
726 		urbs[i]->dev = usb_dev;  in alloc_urbs()
727 		urbs[i]->pipe = pipe;  in alloc_urbs()
728 		urbs[i]->transfer_buffer_length = FRAMES_PER_URB  in alloc_urbs()
730 		urbs[i]->context = &cdev->data_cb_info[i];  in alloc_urbs()
731 		urbs[i]->interval = 1;  in alloc_urbs()
732 		urbs[i]->number_of_packets = FRAMES_PER_URB;  in alloc_urbs()
733 		urbs[i]->complete = (dir == SNDRV_PCM_STREAM_CAPTURE) ?  in alloc_urbs()
738 	return urbs;  in alloc_urbs()
741 static void free_urbs(struct urb **urbs)  in free_urbs()  argument
745 	if (!urbs)  in free_urbs()
749 		if (!urbs[i])  in free_urbs()
752 		usb_kill_urb(urbs[i]);  in free_urbs()
753 		kfree(urbs[i]->transfer_buffer);  in free_urbs()
754 		usb_free_urb(urbs[i]);  in free_urbs()
757 	kfree(urbs);  in free_urbs()