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netfilter: bridge: remove unneeded rcu_read_lock

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as comment says, the function is always called with rcu read lock held.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2017-03-07 12:45:04 +01:00 committed by Pablo Neira Ayuso
parent c7a72e3fdb
commit efc9b8e33b
1 changed files with 0 additions and 3 deletions
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3
net/bridge/br_netfilter_hooks.c
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@ -1016,13 +1016,10 @@ int br_nf_hook_thresh(unsigned int hook, struct net *net,
if (!elem)
return okfn(net, sk, skb);
/* We may already have this, but read-locks nest anyway */
rcu_read_lock();
nf_hook_state_init(&state, hook, NFPROTO_BRIDGE, indev, outdev,
sk, net, okfn);
ret = nf_hook_slow(skb, &state, elem);
rcu_read_unlock();
if (ret == 1)
ret = okfn(net, sk, skb);