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scsi: libsas: make the lldd_port_deformed method optional

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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>
This commit is contained in:
Jason Yan
2018-09-25 10:56:51 +08:00
committed by Martin K. Petersen
parent 986d7dbc41
commit 640208a1c9
2 changed files with 3 additions and 8 deletions
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2
drivers/scsi/libsas/sas_discover.c
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@@ -260,7 +260,7 @@ static void sas_suspend_devices(struct work_struct *work)
* phy_list is not being mutated
*/
list_for_each_entry(phy, &port->phy_list, port_phy_el) {
if (si->dft->lldd_port_formed)
if (si->dft->lldd_port_deformed)
si->dft->lldd_port_deformed(phy);
phy->suspended = 1;
port->suspended = 1;