scsi: libsas: make the lldd_port_deformed method optional
authorJason Yan <yanaijie@huawei.com>
Tue, 25 Sep 2018 02:56:51 +0000 (10:56 +0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 26 Sep 2018 01:20:23 +0000 (21:20 -0400)
commit640208a1c91c380a09056a26d3750b137b7e8c4d
treea97f3648e53b5cb819e0fe8bf6e1d4f09144b713
parent986d7dbc4169a8afefe7f4081253a75b60b791a6
scsi: libsas: make the lldd_port_deformed method optional

Now LLDDs have to implement lldd_port_deformed method otherwise NULL
dereference will happen. Make it optional and remove the dummy implementation
in hisi_sas.

Signed-off-by: Jason Yan <yanaijie@huawei.com>
CC: John Garry <john.garry@huawei.com>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
CC: Dan Williams <dan.j.williams@intel.com>
CC: Hannes Reinecke <hare@suse.com>
Acked-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/hisi_sas/hisi_sas_main.c
drivers/scsi/libsas/sas_discover.c