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Diffstat (limited to 'net/netfilter/nf_tables_core.c')
-rw-r--r--net/netfilter/nf_tables_core.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index 9cf47c4cb9d5f..ebb9799350ed6 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -119,15 +119,22 @@ DEFINE_STATIC_KEY_FALSE(nft_counters_enabled);
static noinline void nft_update_chain_stats(const struct nft_chain *chain,
const struct nft_pktinfo *pkt)
{
+ struct nft_base_chain *base_chain;
struct nft_stats *stats;
- local_bh_disable();
- stats = this_cpu_ptr(rcu_dereference(nft_base_chain(chain)->stats));
- u64_stats_update_begin(&stats->syncp);
- stats->pkts++;
- stats->bytes += pkt->skb->len;
- u64_stats_update_end(&stats->syncp);
- local_bh_enable();
+ base_chain = nft_base_chain(chain);
+ if (!base_chain->stats)
+ return;
+
+ stats = this_cpu_ptr(rcu_dereference(base_chain->stats));
+ if (stats) {
+ local_bh_disable();
+ u64_stats_update_begin(&stats->syncp);
+ stats->pkts++;
+ stats->bytes += pkt->skb->len;
+ u64_stats_update_end(&stats->syncp);
+ local_bh_enable();
+ }
}
struct nft_jumpstack {