summaryrefslogtreecommitdiff
path: root/drivers/scsi/scsi_transport_sas.c
diff options
context:
space:
mode:
authorDarrick J. Wong <djwong@us.ibm.com>2007-01-26 14:08:46 -0800
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-01-27 10:05:29 -0600
commit21434966462d57145c861b43f6206d945ac57630 (patch)
treed28775f7e582699cd96bfe434e43054e07c4eb0a /drivers/scsi/scsi_transport_sas.c
parent6f63caae2172e97e528b58319480217b0b36542e (diff)
downloadlwn-21434966462d57145c861b43f6206d945ac57630.tar.gz
lwn-21434966462d57145c861b43f6206d945ac57630.zip
[SCSI] libsas: Check return values of sysfs_create_link
Get rid of: "warning: ignoring return value of sysfs_create_link..." Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/scsi_transport_sas.c')
-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 010845fd2b85..6d39150e205b 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);