netfilter: add __rcu annotations
Add some __rcu annotations and use helpers to reduce number of sparse
warnings (CONFIG_SPARSE_RCU_POINTER=y)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 6a1572b..91592da 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -874,19 +874,19 @@
for (st->bucket = 0; st->bucket < INSTANCE_BUCKETS; st->bucket++) {
if (!hlist_empty(&instance_table[st->bucket]))
- return rcu_dereference_bh(instance_table[st->bucket].first);
+ return rcu_dereference_bh(hlist_first_rcu(&instance_table[st->bucket]));
}
return NULL;
}
static struct hlist_node *get_next(struct iter_state *st, struct hlist_node *h)
{
- h = rcu_dereference_bh(h->next);
+ h = rcu_dereference_bh(hlist_next_rcu(h));
while (!h) {
if (++st->bucket >= INSTANCE_BUCKETS)
return NULL;
- h = rcu_dereference_bh(instance_table[st->bucket].first);
+ h = rcu_dereference_bh(hlist_first_rcu(&instance_table[st->bucket]));
}
return h;
}
