net: add __rcu annotation to sk_filter

Add __rcu annotation to :
        (struct sock)->sk_filter

And use appropriate rcu primitives to reduce sparse warnings if
CONFIG_SPARSE_RCU_POINTER=y

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-10-25 03:47:05 +00:00
committed by David S. Miller
parent 1c87733d06
commit 0d7da9ddd9
6 changed files with 7 additions and 7 deletions

View File

@@ -373,7 +373,7 @@ void raw6_icmp_error(struct sk_buff *skb, int nexthdr,
static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
{
if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
if ((raw6_sk(sk)->checksum || rcu_dereference_raw(sk->sk_filter)) &&
skb_checksum_complete(skb)) {
atomic_inc(&sk->sk_drops);
kfree_skb(skb);