static int mspro_block_init_card()

in core/mspro_block.c [1118:1169]

• 40 lines of code
• 8 McCabe index (conditional complexity)

static int mspro_block_init_card(struct memstick_dev *card)
{
	struct mspro_block_data *msb = memstick_get_drvdata(card);
	struct memstick_host *host = card->host;
	int rc = 0;

	msb->system = MEMSTICK_SYS_SERIAL;
	msb->setup_transfer = h_mspro_block_setup_cmd;

	card->reg_addr.r_offset = offsetof(struct mspro_register, status);
	card->reg_addr.r_length = sizeof(struct ms_status_register);
	card->reg_addr.w_offset = offsetof(struct mspro_register, param);
	card->reg_addr.w_length = sizeof(struct mspro_param_register);

	if (memstick_set_rw_addr(card))
		return -EIO;

	msb->caps = host->caps;

	msleep(150);
	rc = mspro_block_wait_for_ced(card);
	if (rc)
		return rc;

	rc = mspro_block_switch_interface(card);
	if (rc)
		return rc;

	dev_dbg(&card->dev, "card activated\n");
	if (msb->system != MEMSTICK_SYS_SERIAL)
		msb->caps |= MEMSTICK_CAP_AUTO_GET_INT;

	card->next_request = h_mspro_block_req_init;
	msb->mrq_handler = h_mspro_block_get_ro;
	memstick_init_req(&card->current_mrq, MS_TPC_READ_REG, NULL,
			  sizeof(struct ms_status_register));
	memstick_new_req(card->host);
	wait_for_completion(&card->mrq_complete);
	if (card->current_mrq.error)
		return card->current_mrq.error;

	dev_dbg(&card->dev, "card r/w status %d\n", msb->read_only ? 0 : 1);

	msb->page_size = 512;
	rc = mspro_block_read_attributes(card);
	if (rc)
		return rc;

	dev_dbg(&card->dev, "attributes loaded\n");
	return 0;

}