l2tp: fix missing print session offset info

Report offset parameter in L2TP_CMD_SESSION_GET command if it has been configured by userspace Fixes: 309795f ("l2tp: Add netlink control API for L2TP") Reported-by: Jianlin Shi <[email protected]> Signed-off-by: Hangbin Liu <[email protected]> Signed-off-by: Lorenzo Bianconi <[email protected]> Signed-off-by: David S. Miller <[email protected]>
cail · Dec 27, 2017 · 820da53 · 820da53
1 parent 9f30e5c
commit 820da53
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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])) ||