From: Hangbin Liu liuhangbin@gmail.com
[ Upstream commit 820da5357572715c6235ba3b3daa2d5b43a1198f ]
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 Signed-off-by: Sasha Levin alexander.levin@microsoft.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 0ac907adb2f4..9afeec7117e3 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -633,6 +633,8 @@ 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])) ||