static int mspro_block_resume()

in core/mspro_block.c [1364:1415]

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

static int mspro_block_resume(struct memstick_dev *card)
{
	struct mspro_block_data *msb = memstick_get_drvdata(card);
	int rc = 0;

#ifdef CONFIG_MEMSTICK_UNSAFE_RESUME

	struct mspro_block_data *new_msb;
	struct memstick_host *host = card->host;
	struct mspro_sys_attr *s_attr, *r_attr;
	unsigned char cnt;

	mutex_lock(&host->lock);
	new_msb = kzalloc(sizeof(struct mspro_block_data), GFP_KERNEL);
	if (!new_msb) {
		rc = -ENOMEM;
		goto out_unlock;
	}

	new_msb->card = card;
	memstick_set_drvdata(card, new_msb);
	rc = mspro_block_init_card(card);
	if (rc)
		goto out_free;

	for (cnt = 0; new_msb->attr_group.attrs[cnt]
		      && msb->attr_group.attrs[cnt]; ++cnt) {
		s_attr = mspro_from_sysfs_attr(new_msb->attr_group.attrs[cnt]);
		r_attr = mspro_from_sysfs_attr(msb->attr_group.attrs[cnt]);

		if (s_attr->id == MSPRO_BLOCK_ID_SYSINFO
		    && r_attr->id == s_attr->id) {
			if (memcmp(s_attr->data, r_attr->data, s_attr->size))
				break;

			msb->active = 1;
			break;
		}
	}

out_free:
	memstick_set_drvdata(card, msb);
	mspro_block_data_clear(new_msb);
	kfree(new_msb);
out_unlock:
	mutex_unlock(&host->lock);

#endif /* CONFIG_MEMSTICK_UNSAFE_RESUME */

	blk_mq_start_hw_queues(msb->queue);
	return rc;
}