summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--net/netfilter/nf_conntrack_core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index e0e9c9a0f5ba..2d46225501c1 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -880,6 +880,7 @@ static noinline int early_drop(struct net *net, unsigned int _hash)
struct hlist_nulls_head *ct_hash;
unsigned hash, sequence, drops;
+ rcu_read_lock();
do {
sequence = read_seqcount_begin(&nf_conntrack_generation);
hash = scale_hash(_hash++);
@@ -887,6 +888,8 @@ static noinline int early_drop(struct net *net, unsigned int _hash)
} while (read_seqcount_retry(&nf_conntrack_generation, sequence));
drops = early_drop_list(net, &ct_hash[hash]);
+ rcu_read_unlock();
+
if (drops) {
NF_CT_STAT_ADD_ATOMIC(net, early_drop, drops);
return true;