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Date: Mon, 20 Mar 2017 11:08:36 +0100 From: Pablo Neira Ayuso <pablo@...filter.org> To: netfilter-devel@...r.kernel.org Cc: davem@...emloft.net, netdev@...r.kernel.org Subject: [PATCH 08/22] netfilter: bridge: remove unneeded rcu_read_lock From: Florian Westphal <fw@...len.de> as comment says, the function is always called with rcu read lock held. Signed-off-by: Florian Westphal <fw@...len.de> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org> --- net/bridge/br_netfilter_hooks.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 95087e6e8258..52739e6c610e 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -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); -- 2.1.4
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