static int simdisk_attach()

in platforms/iss/simdisk.c [151:181]

• 27 lines of code
• 5 McCabe index (conditional complexity)

static int simdisk_attach(struct simdisk *dev, const char *filename)
{
	int err = 0;

	filename = kstrdup(filename, GFP_KERNEL);
	if (filename == NULL)
		return -ENOMEM;

	spin_lock(&dev->lock);

	if (dev->fd != -1) {
		err = -EBUSY;
		goto out;
	}
	dev->fd = simc_open(filename, O_RDWR, 0);
	if (dev->fd == -1) {
		pr_err("SIMDISK: Can't open %s: %d\n", filename, errno);
		err = -ENODEV;
		goto out;
	}
	dev->size = simc_lseek(dev->fd, 0, SEEK_END);
	set_capacity(dev->gd, dev->size >> SECTOR_SHIFT);
	dev->filename = filename;
	pr_info("SIMDISK: %s=%s\n", dev->gd->disk_name, dev->filename);
out:
	if (err)
		kfree(filename);
	spin_unlock(&dev->lock);

	return err;
}