Eric Dumazet c1c4772178 l2tp: use rcu_dereference_sk_user_data() in l2tp_udp_encap_recv()
Canonical way to fetch sk_user_data from an encap_rcv() handler called
from UDP stack in rcu protected section is to use rcu_dereference_sk_user_data(),
otherwise compiler might read it multiple times.

Fixes: d00fa9adc528 ("il2tp: fix races with tunnel socket close")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-26 11:18:23 -04:00
..
2019-03-19 16:00:22 -07:00
2019-02-21 16:23:56 -08:00
2019-04-24 12:07:08 -07:00
2019-03-08 14:48:40 -08:00
2019-03-11 15:40:14 -07:00
2019-03-16 01:27:51 +01:00
2019-03-15 15:29:47 -07:00