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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 08/22] netfilter: bridge: remove unneeded rcu_read_lock
Date: Mon, 20 Mar 2017 11:08:36 +0100	[thread overview]
Message-ID: <1490004530-9128-9-git-send-email-pablo@netfilter.org> (raw)
In-Reply-To: <1490004530-9128-1-git-send-email-pablo@netfilter.org>

From: Florian Westphal <fw@strlen.de>

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>
---
 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

  parent reply	other threads:[~2017-03-20 10:08 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-20 10:08 [PATCH 00/22] Netfilter/IPVS updates for net-next Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 01/22] netfilter: nft_exthdr: Allow checking TCP option presence, too Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 02/22] netfilter: nft_hash: rename nft_hash to nft_jhash Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 03/22] netfilter: nft_hash: support of symmetric hash Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 04/22] netfilter: Use pr_cont where appropriate Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 05/22] netfilter: arp_tables: remove redundant check on ret being non-zero Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 06/22] netfilter: nf_tables: validate the expr explicitly after init successfully Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 07/22] netfilter: nf_tables: add nft_set_lookup() Pablo Neira Ayuso
2017-03-20 10:08 ` Pablo Neira Ayuso [this message]
2017-03-20 10:08 ` [PATCH 09/22] netfilter: nf_reject: remove unused variable Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 10/22] netfilter: provide nft_ctx in object init function Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 11/22] netfilter: nft_ct: add helper set support Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 12/22] netfilter: nft_fib: Support existence check Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 13/22] netfilter: nf_conntrack: reduce resolve_normal_ct args Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 14/22] netfilter: limit: use per-rule spinlock to improve the scalability Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 15/22] netfilter: nft_set_rbtree: use per-set rwlock " Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 16/22] ipvs: remove an annoying printk in netns init Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 17/22] ipvs: fix sync_threshold description and add sync_refresh_period, sync_retries Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 18/22] ipvs: Document sysctl sync_qlen_max and sync_sock_size Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 19/22] ipvs: Document sysctl sync_ports Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 20/22] ipvs: Document sysctl pmtu_disc Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 21/22] netfilter: refcounter conversions Pablo Neira Ayuso
2017-03-20 10:08 ` [PATCH 22/22] netfilter: fix the warning on unused refcount variable Pablo Neira Ayuso
2017-03-21 21:34 ` [PATCH 00/22] Netfilter/IPVS updates for net-next David Miller

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