If the phy is attached to a new sas address unregister the first address
before processing the new attachment.
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/scsi/libsas/sas_expander.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index dc6bba5..3d6ba30 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1997,6 +1997,15 @@ 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);
}
--
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