tree 5adc788308ed37a25a9911c42149638052f24b47
parent cb6bf9cfdb5e26dfb7eb9b955b2f24d82703e27d
author Willem de Bruijn <willemb@google.com> 1491934088 -0400
committer David S. Miller <davem@davemloft.net> 1491936859 -0400

bpf: pass sk to helper functions

BPF helper functions access socket fields through skb->sk. This is not
set in ingress cgroup and socket filters. The association is only made
in skb_set_owner_r once the filter has accepted the packet. Sk is
available as socket lookup has taken place.

Temporarily set skb->sk to sk in these cases.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>