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-rw-r--r--drivers/scsi/libsas/sas_expander.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index b7e4493d3dc1..7e8274938a3e 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -603,7 +603,14 @@ int sas_smp_phy_control(struct domain_device *dev, int phy_id,
}
res = smp_execute_task(dev, pc_req, PC_REQ_SIZE, pc_resp,PC_RESP_SIZE);
-
+ if (res) {
+ pr_err("ex %016llx phy%02d PHY control failed: %d\n",
+ SAS_ADDR(dev->sas_addr), phy_id, res);
+ } else if (pc_resp[2] != SMP_RESP_FUNC_ACC) {
+ pr_err("ex %016llx phy%02d PHY control failed: function result 0x%x\n",
+ SAS_ADDR(dev->sas_addr), phy_id, pc_resp[2]);
+ res = pc_resp[2];
+ }
kfree(pc_resp);
kfree(pc_req);
return res;