[NET]: Make the sk_clone() lighter

The sk_prot_alloc() already performs all the stuff needed by the
sk_clone(). Besides, the sk_prot_alloc() requires almost twice
less arguments than the sk_alloc() does, so call the sk_prot_alloc()
saving the stack a bit.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/sock.c b/net/core/sock.c
index 2b744c2..4f4708a 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -976,8 +976,9 @@ void sk_free(struct sock *sk)
 
 struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
 {
-       struct sock *newsk = sk_alloc(sk->sk_net, sk->sk_family, priority, sk->sk_prot, 0);
+       struct sock *newsk;
 
+       newsk = sk_prot_alloc(sk->sk_prot, priority, sk->sk_family);
        if (newsk != NULL) {
                struct sk_filter *filter;