IOBUF_SIZE
if (cmd_len > IOBUF_SIZE)
if (ucr->cmd_idx < (IOBUF_SIZE - CMD_OFFSET) / 4) {
ucr->cmd_buf = kmalloc(IOBUF_SIZE, GFP_KERNEL);
ucr->rsp_buf = kmalloc(IOBUF_SIZE, GFP_KERNEL);