net: filter: dont block softirqs in sk_run_filter()

Packet filter (BPF) doesnt need to disable softirqs, being fully
re-entrant and lock-less.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 91cb1d71f018..c3fc7b70a879 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -523,11 +523,11 @@ static inline unsigned int run_filter(const struct sk_buff *skb,
 {
         struct sk_filter *filter;
 
-        rcu_read_lock_bh();
-        filter = rcu_dereference_bh(sk->sk_filter);
+        rcu_read_lock();
+        filter = rcu_dereference(sk->sk_filter);
         if (filter != NULL)
                 res = sk_run_filter(skb, filter->insns);
-        rcu_read_unlock_bh();
+        rcu_read_unlock();
 
         return res;
 }