tree 6068b48be8fe07b2501a849b152436c42106650d
parent 6a2b28ef036ab5c66fdc606fe97d9e5cb34ea409
author Eric Dumazet <edumazet@google.com> 1339136700 +0000
committer David S. Miller <davem@davemloft.net> 1339191051 -0700

l2tp: fix a race in l2tp_ip_sendmsg()

Commit 081b1b1bb27f (l2tp: fix l2tp_ip_sendmsg() route handling) added
a race, in case IP route cache is disabled.

In this case, we should not do the dst_release(&rt->dst), since it'll
free the dst immediately, instead of waiting a RCU grace period.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Chapman <jchapman@katalix.com>
Cc: Denys Fedoryshchenko <denys@visp.net.lb>
Signed-off-by: David S. Miller <davem@davemloft.net>