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Commit 21434966 authored by Darrick J. Wong's avatar Darrick J. Wong Committed by James Bottomley
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[SCSI] libsas: Check return values of sysfs_create_link



Get rid of: "warning: ignoring return value of sysfs_create_link..."

Signed-off-by: default avatarDarrick J. Wong <djwong@us.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 6f63caae
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+22 −4
Original line number Diff line number Diff line
@@ -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,
	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);