diff options
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 08db7b9143a3..d38ef7fd50f0 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -86,7 +86,7 @@ int sk_filter(struct sock *sk, struct sk_buff *skb) return err; rcu_read_lock_bh(); - filter = rcu_dereference(sk->sk_filter); + filter = rcu_dereference_bh(sk->sk_filter); if (filter) { unsigned int pkt_len = sk_run_filter(skb, filter->insns, filter->len); @@ -521,7 +521,7 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk) } rcu_read_lock_bh(); - old_fp = rcu_dereference(sk->sk_filter); + old_fp = rcu_dereference_bh(sk->sk_filter); rcu_assign_pointer(sk->sk_filter, fp); rcu_read_unlock_bh(); @@ -529,6 +529,7 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk) sk_filter_delayed_uncharge(sk, old_fp); return 0; } +EXPORT_SYMBOL_GPL(sk_attach_filter); int sk_detach_filter(struct sock *sk) { @@ -536,7 +537,7 @@ int sk_detach_filter(struct sock *sk) struct sk_filter *filter; rcu_read_lock_bh(); - filter = rcu_dereference(sk->sk_filter); + filter = rcu_dereference_bh(sk->sk_filter); if (filter) { rcu_assign_pointer(sk->sk_filter, NULL); sk_filter_delayed_uncharge(sk, filter); @@ -545,3 +546,4 @@ int sk_detach_filter(struct sock *sk) rcu_read_unlock_bh(); return ret; } +EXPORT_SYMBOL_GPL(sk_detach_filter); |