net: cleanup some rcu_dereference_raw

RCU api had been completed and rcu_access_pointer() or
rcu_dereference_protected() are better than generic
rcu_dereference_raw()

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

1 files changed, 3 insertions, 4 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 1b5a19340a95..c1d5facab7c9 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1461,10 +1461,9 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
                 }
         }
 
-        if (rcu_dereference_raw(sk->sk_filter)) {
-                if (udp_lib_checksum_complete(skb))
-                        goto drop;
-        }
+        if (rcu_access_pointer(sk->sk_filter) &&
+            udp_lib_checksum_complete(skb))
+                goto drop;
 
 
         if (sk_rcvqueues_full(sk, skb))