arp: flush arp cache on IFF_NOARP change

[~andy/linux] / net / core / sock.c

diff --git a/net/core/sock.c b/net/core/sock.c
index d4f4cea726e7bfdb0d9cc47a779d5252738bf37c..6ba327da79e1efece2479f4745136a091e4958d3 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1217,18 +1217,6 @@ static void sock_copy(struct sock *nsk, const struct sock *osk)
 #endif
 }
 
-/*
- * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
- * un-modified. Special care is taken when initializing object to zero.
- */
-static inline void sk_prot_clear_nulls(struct sock *sk, int size)
-{
-       if (offsetof(struct sock, sk_node.next) != 0)
-               memset(sk, 0, offsetof(struct sock, sk_node.next));
-       memset(&sk->sk_node.pprev, 0,
-              size - offsetof(struct sock, sk_node.pprev));
-}
-
 void sk_prot_clear_portaddr_nulls(struct sock *sk, int size)
 {
        unsigned long nulls1, nulls2;