commit 820da5357572715c6235ba3b3daa2d5b43a1198f
author Hangbin Liu <liuhangbin@gmail.com> Fri Dec 22 15:10:17 2017 +0100
committer David S. Miller <davem@davemloft.net> Wed Dec 27 12:11:51 2017 -0500
tree cac0ea75a91f56051983ff57e5d39013117c6666
parent 9f30e5c5c2a4a2cbd438eadf083ca16d9a7fdc7a

l2tp: fix missing print session offset info

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@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/l2tp/l2tp_netlink.c

diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c
index a1f24fb..7e9c501 100644
--- a/net/l2tp/l2tp_netlink.c
+++ b/net/l2tp/l2tp_netlink.c
@@ -761,6 +761,8 @@
 
 	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])) ||