netdev - [PATCH net-next 1/2] l2tp: fix missing print session offset info

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Message-Id: <3b589995fde2d5fc78f37ba616b346b923b84476.1513951129.git.lorenzo.bianconi@redhat.com>
Date:   Fri, 22 Dec 2017 15:10:17 +0100
From:   Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, jchapman@...alix.com, liuhangbin@...il.com
Subject: [PATCH net-next 1/2] l2tp: fix missing print session offset info

From: Hangbin Liu <liuhangbin@...il.com>

Report offset parameter in L2TP_CMD_SESSION_GET command if
it has been configured by userspace

Fixes: 309795f4bec ("l2tp: Add netlink control API for L2TP")
Reported-by: Jianlin Shi <jishi@...hat.com>
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
---
 net/l2tp/l2tp_netlink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c
index a1f24fb2be98..7e9c50125556 100644
--- a/net/l2tp/l2tp_netlink.c
+++ b/net/l2tp/l2tp_netlink.c
@@ -761,6 +761,8 @@ static int l2tp_nl_session_send(struct sk_buff *skb, u32 portid, u32 seq, int fl
 
 	if ((session->ifname[0] &&
 	     nla_put_string(skb, L2TP_ATTR_IFNAME, session->ifname)) ||
+	    (session->offset &&
+	     nla_put_u16(skb, L2TP_ATTR_OFFSET, session->offset)) ||
 	    (session->cookie_len &&
 	     nla_put(skb, L2TP_ATTR_COOKIE, session->cookie_len,
 		     &session->cookie[0])) ||
-- 
2.13.6