From 9d3e44425e3498eb33f25d94392b4fd0d56a5176 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 8 Jan 2008 23:41:28 -0800 Subject: [PATCH] [SOCK]: Adds a rcu_dereference() in sk_filter It seems commit fda9ef5d679b07c9d9097aaf6ef7f069d794a8f9 introduced a RCU protection for sk_filter(), without a rcu_dereference() Either we need a rcu_dereference(), either a comment should explain why we dont need it. I vote for the former. Signed-off-by: Eric Dumazet Acked-by: Herbert Xu Signed-off-by: David S. Miller --- include/net/sock.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/net/sock.h b/include/net/sock.h index 67e35c7e230c..6e1542da33a1 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -944,7 +944,7 @@ static inline int sk_filter(struct sock *sk, struct sk_buff *skb) return err; rcu_read_lock_bh(); - filter = sk->sk_filter; + filter = rcu_dereference(sk->sk_filter); if (filter) { unsigned int pkt_len = sk_run_filter(skb, filter->insns, filter->len); -- 2.30.2