CPC_HEADER_SIZE
dev->tx_msg_buffer = kzalloc(CPC_HEADER_SIZE +
if (urb->actual_length > CPC_HEADER_SIZE) {
start = CPC_HEADER_SIZE;
memcpy(&dev->tx_msg_buffer[CPC_HEADER_SIZE], msg,
memset(&dev->tx_msg_buffer[0], 0, CPC_HEADER_SIZE);
msg->length + CPC_MSG_HEADER_LEN + CPC_HEADER_SIZE,
size_t size = CPC_HEADER_SIZE + CPC_MSG_HEADER_LEN
msg = (struct ems_cpc_msg *)&buf[CPC_HEADER_SIZE];