tree 6b46eac808fe4292bff144ff0b5e6461ef957810
parent ec1d7c9a5e9c136e08a9b1df3109ad5d38d8179c
author Eric Dumazet <eric.dumazet@gmail.com> 1307831229 +0000
committer David S. Miller <davem@conan.davemloft.net> 1308000690 -0400

l2tp: fix l2tp_ip_sendmsg() route handling

l2tp_ip_sendmsg() in non connected mode incorrectly calls
sk_setup_caps(). Subsequent send() calls send data to wrong destination.

We can also avoid changing dst refcount in connected mode, using
appropriate rcu locking. Once output route lookups can also be done
under rcu, sendto() calls wont change dst refcounts too.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>