static int mptspi_slave_alloc()

in fusion/mptspi.c [716:747]

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

static int mptspi_slave_alloc(struct scsi_device *sdev)
{
	MPT_SCSI_HOST *hd = shost_priv(sdev->host);
	VirtTarget		*vtarget;
	VirtDevice		*vdevice;
	struct scsi_target 	*starget;
	MPT_ADAPTER *ioc = hd->ioc;

	if (sdev->channel == 1 &&
		mptscsih_is_phys_disk(ioc, 0, sdev->id) == 0)
			return -ENXIO;

	vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
	if (!vdevice) {
		printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
				ioc->name, sizeof(VirtDevice));
		return -ENOMEM;
	}

	vdevice->lun = sdev->lun;
	sdev->hostdata = vdevice;

	starget = scsi_target(sdev);
	vtarget = starget->hostdata;
	vdevice->vtarget = vtarget;
	vtarget->num_luns++;

	if (sdev->channel == 1)
		sdev->no_uld_attach = 1;

	return 0;
}