netfilter: bridge: remove unneeded rcu_read_lock

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>

1 files changed, 0 insertions, 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);