From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Tue, 16 Jan 2018 10:39:43 -0800
Subject: IB/srp: Improve path record query error message
Patch-mainline: v4.16-rc1
Git-commit: 85769c6f3b850b2a9c6428be70ba55f339da6ae2
References: bsc#1103992 FATE#326009

Show all path record query parameters if a path record query fails.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/ulp/srp/ib_srp.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -702,7 +702,10 @@ static int srp_lookup_path(struct srp_rd
 	ret = ch->status;
 	if (ret < 0)
 		shost_printk(KERN_WARNING, target->scsi_host,
-			     PFX "Path record query failed\n");
+			     PFX "Path record query failed: sgid %pI6, dgid %pI6, pkey %#04x, service_id %#16llx\n",
+			     ch->path.sgid.raw, ch->path.dgid.raw,
+			     be16_to_cpu(target->pkey),
+			     be64_to_cpu(target->service_id));
 
 put:
 	scsi_host_put(target->scsi_host);