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* [PATCH nf-next] netfilter: bridge: remove unneeded rcu_read_lock
@ 2017-03-07 11:45 Florian Westphal
  2017-03-08 18:02 ` Pablo Neira Ayuso
  0 siblings, 1 reply; 2+ messages in thread
From: Florian Westphal @ 2017-03-07 11:45 UTC (permalink / raw)
  To: netfilter-devel; +Cc: Florian Westphal

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

Signed-off-by: Florian Westphal <fw@strlen.de>
---
 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 95087e6..52739e6 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);
 
-- 
2.9.3


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH nf-next] netfilter: bridge: remove unneeded rcu_read_lock
  2017-03-07 11:45 [PATCH nf-next] netfilter: bridge: remove unneeded rcu_read_lock Florian Westphal
@ 2017-03-08 18:02 ` Pablo Neira Ayuso
  0 siblings, 0 replies; 2+ messages in thread
From: Pablo Neira Ayuso @ 2017-03-08 18:02 UTC (permalink / raw)
  To: Florian Westphal; +Cc: netfilter-devel

On Tue, Mar 07, 2017 at 12:45:04PM +0100, Florian Westphal wrote:
> as comment says, the function is always called with rcu read lock held.

Applied, thanks Florian.

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2017-03-08 18:49 UTC | newest]

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2017-03-07 11:45 [PATCH nf-next] netfilter: bridge: remove unneeded rcu_read_lock Florian Westphal
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