net: introduce rcu_dereference_rtnl
authorEric Dumazet <eric.dumazet@gmail.com>
Wed, 8 Sep 2010 21:15:32 +0000 (14:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 8 Sep 2010 21:15:32 +0000 (14:15 -0700)
commita6e0fc8514d41dfdd98b1d15cacc432cf040f8af
tree48a6b7cbae9fa0637b7f134b2d204740af783237
parenta7a4f1c1a52912eb8b3bd4d8f628d83a8b5d69dd
net: introduce rcu_dereference_rtnl

We use rcu_dereference_check(p, rcu_read_lock_held() ||
lockdep_rtnl_is_held()) several times in network stack.

More usages to come too, so its time to create a helper.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/rtnetlink.h