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-rw-r--r--drivers/scsi/libsas/sas_expander.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index caa0525d2523..af659cc8308c 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -2005,6 +2005,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last)
u8 sas_addr[8];
int res;
+ memset(sas_addr, 0, 8);
res = sas_get_phy_attached_dev(dev, phy_id, sas_addr, &type);
switch (res) {
case SMP_RESP_NO_PHY:
@@ -2017,9 +2018,13 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last)
return res;
case SMP_RESP_FUNC_ACC:
break;
+ case -ECOMM:
+ break;
+ default:
+ return res;
}
- if (SAS_ADDR(sas_addr) == 0) {
+ if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) {
phy->phy_state = PHY_EMPTY;
sas_unregister_devs_sas_addr(dev, phy_id, last);
return res;