From: James Chapman jchapman@katalix.com
[ Upstream commit eeb11209e000797d555aefd642e24ed6f4e70140 ]
l2tp's ppp procfs output can be used to show internal state of pppol2tp. It includes a 'user-data-ok' field, which is derived from the tunnel socket's sk_user_data being non-NULL. Use tunnel->sock being non-NULL to indicate this instead.
Signed-off-by: James Chapman jchapman@katalix.com Signed-off-by: Tom Parkin tparkin@katalix.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- net/l2tp/l2tp_ppp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 4f25c1212cacb..5351680425e8c 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1514,7 +1514,7 @@ static void pppol2tp_seq_tunnel_show(struct seq_file *m, void *v)
seq_printf(m, "\nTUNNEL '%s', %c %d\n", tunnel->name, - (tunnel == tunnel->sock->sk_user_data) ? 'Y' : 'N', + tunnel->sock ? 'Y' : 'N', refcount_read(&tunnel->ref_count) - 1); seq_printf(m, " %08x %ld/%ld/%ld %ld/%ld/%ld\n", 0,