IB/srp: Improve path record query error message

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>

drivers/infiniband/ulp/srp/ib_srp.c

@@ -702,7 +702,10 @@ static int srp_lookup_path(struct srp_rdma_ch *ch)
 	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);