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(parent: 6a2b28e) | patch
l2tp: fix a race in l2tp_ip_sendmsg()
authorEric Dumazet <edumazet@google.com>
Fri, 8 Jun 2012 06:25:00 +0000 (06:25 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 8 Jun 2012 21:30:51 +0000 (14:30 -0700)
commit4399a4df98a63e30fd16e9d0cecc46ea92269e8f
tree6068b48be8fe07b2501a849b152436c42106650dtree | snapshot (tar.gz zip)
parent6a2b28ef036ab5c66fdc606fe97d9e5cb34ea409commit | diff
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>
net/l2tp/l2tp_ip.c diff | blob | blame | history