[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>
1 file changed