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authorAaron Conole <aconole@bytheb.org>2016-09-21 11:35:04 -0400
committerPablo Neira Ayuso <pablo@netfilter.org>2016-09-24 21:29:53 +0200
commite2361cb90a0327bdab34d01d1a7b9dbd67c31e60 (patch)
treed7f8b55fd607e5cb1c0018fa8f1f79d6038d17b3 /net/ipv6
parent2c1e2703ff812ccaa42a4bc8a25803955e342b85 (diff)
netfilter: Remove explicit rcu_read_lock in nf_hook_slow
All of the callers of nf_hook_slow already hold the rcu_read_lock, so this cleanup removes the recursive call. This is just a cleanup, as the locking code gracefully handles this situation. Signed-off-by: Aaron Conole <aconole@bytheb.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c2
-rw-r--r--net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 1aa5848764a7..963ee3848675 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -115,7 +115,7 @@ static unsigned int ipv6_helper(void *priv,
help = nfct_help(ct);
if (!help)
return NF_ACCEPT;
- /* rcu_read_lock()ed by nf_hook_slow */
+ /* rcu_read_lock()ed by nf_hook_thresh */
helper = rcu_dereference(help->helper);
if (!helper)
return NF_ACCEPT;
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 660bc10c7a9c..f5a61bc3ec2b 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -165,7 +165,7 @@ icmpv6_error_message(struct net *net, struct nf_conn *tmpl,
return -NF_ACCEPT;
}
- /* rcu_read_lock()ed by nf_hook_slow */
+ /* rcu_read_lock()ed by nf_hook_thresh */
inproto = __nf_ct_l4proto_find(PF_INET6, origtuple.dst.protonum);
/* Ordinarily, we'd expect the inverted tupleproto, but it's