commit 900469d0b0c337db19908f77d172f4b17f4573ba
author José Adolfo Galdámez <josegalre@pac-rom.com> Sat Jun 20 23:45:36 2015 -0600
committer William Bellavance <flintman@flintmancomputers.com> Wed Feb 10 20:02:51 2016 -0500
tree e7c8e6e70ad09ecc74c7385269f9a7a908489b88
parent 3591a444f6b8cb82a9b88a49a4e67d8f4b61a6de

Merge tag 'v3.4.108' into mm-6.0

Change-Id: I5ee718e5c87c9647c6edf0926a887679e065a649
Signed-off-by: José Adolfo Galdámez <josegalre@pac-rom.com>

drivers/scsi/libsas/sas_discover.c

diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 629a086..5fbacde 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -446,6 +446,7 @@
 	struct sas_discovery_event *ev = to_sas_discovery_event(work);
 	struct asd_sas_port *port = ev->port;
 	struct sas_ha_struct *ha = port->ha;
+	struct domain_device *ddev = port->port_dev;
 
 	/* prevent revalidation from finding sata links in recovery */
 	mutex_lock(&ha->disco_mutex);
@@ -460,8 +461,9 @@
 	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 == SAS_FANOUT_EXPANDER_DEVICE ||
+		     ddev->dev_type == SAS_EDGE_EXPANDER_DEVICE))
+		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);