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Commit c666aae6 authored by Dan Williams's avatar Dan Williams Committed by James Bottomley
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[SCSI] libsas: delete device on sas address changed 



If the phy is attached to a new sas address unregister the first address
before processing the new attachment.

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 354cf829

drivers/scsi/libsas/sas_expander.c

+9 −0
Original line number Diff line number Diff line
@@ -2005,6 +2005,15 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last) 
		return res;

	}



	/* delete the old link */

	if (SAS_ADDR(phy->attached_sas_addr) &&

	    SAS_ADDR(sas_addr) != SAS_ADDR(phy->attached_sas_addr)) {

		SAS_DPRINTK("ex %016llx phy 0x%x replace %016llx\n",

			    SAS_ADDR(dev->sas_addr), phy_id,

			    SAS_ADDR(phy->attached_sas_addr));

		sas_unregister_devs_sas_addr(dev, phy_id, last);

	}



	return sas_discover_new(dev, phy_id);

}