static int
mptsas_slave_configure(struct scsi_device *sdev)
{
- sas_read_port_mode_page(sdev);
+ struct Scsi_Host *host = sdev->host;
+ MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
+
+ /*
+ * RAID volumes placed beyond the last expected port.
+ * Ignore sending sas mode pages in that case..
+ */
+ if (sdev->channel < hd->ioc->num_ports)
+ sas_read_port_mode_page(sdev);
return mptscsih_slave_configure(sdev);
}