From 28439890e42263cf5b4780d2a9c1a5dd004ac336 Mon Sep 17 00:00:00 2001
From: Changpeng Liu <changpeng.liu@intel.com>
Date: Wed, 24 Jul 2019 21:37:32 -0400
Subject: [PATCH] nvmf: always update discovery log page if the offset is zero

Global tgt->discovery_log_page may contain old hostnqn log
page, so we will update the discovery log page if the offset
is zero.

Change-Id: Iba24409b16626d157d2782c6813fe5a0c27f1082
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/463123
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: <shahar.salzman@kaminario.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 lib/nvmf/ctrlr_discovery.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/nvmf/ctrlr_discovery.c b/lib/nvmf/ctrlr_discovery.c
index 8d616e8d1..c331ef7ae 100644
--- a/lib/nvmf/ctrlr_discovery.c
+++ b/lib/nvmf/ctrlr_discovery.c
@@ -129,7 +129,7 @@ spdk_nvmf_get_discovery_log_page(struct spdk_nvmf_tgt *tgt, const char *hostnqn,
 	size_t zero_len = 0;
 	struct iovec *tmp;
 
-	if (tgt->discovery_log_page == NULL ||
+	if (offset == 0 || tgt->discovery_log_page == NULL ||
 	    tgt->discovery_log_page->genctr != tgt->discovery_genctr) {
 		nvmf_update_discovery_log(tgt, hostnqn);
 	}