Remove useless blank line and code and at the same time add one error
path to catch the errors.
Reviewed-by: NMike Christie <mchristi@redhat.com>
Signed-off-by: NXiubo Li <lixiubo@cmss.chinamobile.com>
Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>