scsi: libsas: fix ata xfer length

[pandora-kernel.git] / drivers / scsi / libsas / sas_discover.c

diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 54a5199..676e169 100644 (file)
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -336,14 +336,16 @@ static void sas_revalidate_domain(struct work_struct *work)
        struct sas_discovery_event *ev =
                container_of(work, struct sas_discovery_event, work);
        struct asd_sas_port *port = ev->port;
+       struct domain_device *ddev = port->port_dev;
 
        sas_begin_event(DISCE_REVALIDATE_DOMAIN, &port->disc.disc_event_lock,
                        &port->disc.pending);
 
        SAS_DPRINTK("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id,
                    task_pid_nr(current));
-       if (port->port_dev)
-               res = sas_ex_revalidate_domain(port->port_dev);
+       if (ddev && (ddev->dev_type == FANOUT_DEV ||
+                    ddev->dev_type == EDGE_DEV))
+               res = sas_ex_revalidate_domain(ddev);
 
        SAS_DPRINTK("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n",
                    port->id, task_pid_nr(current), res);