diff options
| author | Darrick J. Wong <djwong@us.ibm.com> | 2007-01-26 14:08:46 -0800 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-01-27 10:05:29 -0600 |
| commit | 21434966462d57145c861b43f6206d945ac57630 (patch) | |
| tree | d28775f7e582699cd96bfe434e43054e07c4eb0a /drivers/scsi/scsi_transport_sas.c | |
| parent | 6f63caae2172e97e528b58319480217b0b36542e (diff) | |
| download | lwn-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.c | 26 |
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); |