From: Guan Junxiong <guanjunxiong@huawei.com>
Date: Thu, 3 Aug 2017 21:40:26 +0800
Subject: nvme-fabrics: log a warning if hostid is invalid
Patch-mainline: v4.14-rc1
Git-commit: 9b483da15dd0c94b62ae4e789b37dfff4410f45e
References: FATE#323952, FATE#322506

This helps users to quickly spot the reason of why connection fails
if the hostid is not compliant with the uuid format.

Signed-off-by: Guan Junxiong <guanjunxiong@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 drivers/nvme/host/fabrics.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -735,6 +735,7 @@ static int nvmf_parse_options(struct nvm
 				goto out;
 			}
 			if (uuid_parse(p, &hostid)) {
+				pr_err("Invalid hostid %s\n", p);
 				ret = -EINVAL;
 				goto out;
 			}