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-rw-r--r--drivers/scsi/scsi_transport_sas.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 010845fd2b8..6d39150e205 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -625,8 +625,19 @@ static void sas_port_release(struct device *dev)
static void sas_port_create_link(struct sas_port *port,
struct sas_phy *phy)
{
- sysfs_create_link(&port->dev.kobj, &phy->dev.kobj, phy->dev.bus_id);
- sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port");
+ int res;
+
+ res = sysfs_create_link(&port->dev.kobj, &phy->dev.kobj,
+ phy->dev.bus_id);
+ if (res)
+ goto err;
+ res = sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port");
+ if (res)
+ goto err;
+ return;
+err:
+ printk(KERN_ERR "%s: Cannot create port links, err=%d\n",
+ __FUNCTION__, res);
}
static void sas_port_delete_link(struct sas_port *port,
@@ -864,13 +875,20 @@ EXPORT_SYMBOL(sas_port_delete_phy);
void sas_port_mark_backlink(struct sas_port *port)
{
+ int res;
struct device *parent = port->dev.parent->parent->parent;
if (port->is_backlink)
return;
port->is_backlink = 1;
- sysfs_create_link(&port->dev.kobj, &parent->kobj,
- parent->bus_id);
+ res = sysfs_create_link(&port->dev.kobj, &parent->kobj,
+ parent->bus_id);
+ if (res)
+ goto err;
+ return;
+err:
+ printk(KERN_ERR "%s: Cannot create port backlink, err=%d\n",
+ __FUNCTION__, res);
}
EXPORT_SYMBOL(sas_port_mark_backlink);