912 			 size_t header_length, void *header, void *data)  in iso_callback()  argument
917 	e = kmalloc(sizeof(*e) + header_length, GFP_ATOMIC);  in iso_callback()
924 	e->interrupt.header_length = header_length;  in iso_callback()
925 	memcpy(e->interrupt.header, header, header_length);  in iso_callback()
927 		    sizeof(e->interrupt) + header_length, NULL, 0);  in iso_callback()
1095 		u.packet.header_length = GET_HEADER_LENGTH(control);  in ioctl_queue_iso()
1099 			if (u.packet.header_length & 3)  in ioctl_queue_iso()
1101 			transmit_header_bytes = u.packet.header_length;  in ioctl_queue_iso()
1105 			if (u.packet.header_length == 0 ||  in ioctl_queue_iso()
1106 			    u.packet.header_length % ctx->header_size != 0)  in ioctl_queue_iso()
1125 		    u.packet.header_length + u.packet.payload_length > 0)  in ioctl_queue_iso()
1525 	e->p.header_length	= 12;  in ioctl_send_phy_packet()