sparse says:
drivers/scsi/lpfc/lpfc_sli.c:16547:37: warning:
 Using plain integer as NULL pointer
Signed-off-by: NDaeseok Youn <daeseok.youn@gmail.com>
Acked-by: NJames Smart <james.smart@emulex.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>