From 4aa71267cc0317e126843509f1c5b237f469414b Mon Sep 17 00:00:00 2001
From: Olaf Faaland <faaland1@llnl.gov>
Date: Fri, 2 Aug 2019 09:38:50 -0700
Subject: [PATCH] LU-12626 lnet: create existing net returns EEXIST

When "lnetctl net add" is called for an interface/net pair that
already exists, the error returned should be EEXIST, so the
user knows that the net is already configured.

Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Change-Id: Idab79ab288a11a2920793f27df235b4dfab497fe
Reviewed-on: https://review.whamcloud.com/35681
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Chris Horn <hornc@cray.com>
Reviewed-by: Amir Shehata <ashehata@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---
 lnet/lnet/api-ni.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lnet/lnet/api-ni.c b/lnet/lnet/api-ni.c
index 99fda25..d50c939 100644
--- a/lnet/lnet/api-ni.c
+++ b/lnet/lnet/api-ni.c
@@ -2388,7 +2388,7 @@ lnet_startup_lndnet(struct lnet_net *net, struct lnet_lnd_tunables *tun)
 		 * up is actually unique. if it's not fail. */
 		if (!lnet_ni_unique_net(&net_l->net_ni_list,
 					ni->ni_interfaces[0])) {
-			rc = -EINVAL;
+			rc = -EEXIST;
 			goto failed1;
 		}
 
-- 
1.8.3.1