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[SCSI] libsas: Check return values of sysfs_create_link

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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>
This commit is contained in:
Darrick J. Wong 2007-01-26 14:08:46 -08:00 committed by James Bottomley
parent 6f63caae21
commit 2143496646
1 changed files with 22 additions and 4 deletions
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26
drivers/scsi/scsi_transport_sas.c
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@ -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);