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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)
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>

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