From b80d72261aec5e763a76497eba5fddc84833a154 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Fri, 6 May 2011 15:06:01 -0700
Subject: [PATCH] ipv4: Initialize on-stack cork more efficiently.
ip_setup_cork() explicitly initializes every member of
inet_cork except flags, addr, and opt. So we can simply
set those three members to zero instead of using a
memset() via an empty struct assignment.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
---
net/ipv4/ip_output.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index eb0647a2f073..5f5fe4f742b9 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1408,7 +1408,7 @@ struct sk_buff *ip_make_skb(struct sock *sk,
struct ipcm_cookie *ipc, struct rtable **rtp,
unsigned int flags)
{
- struct inet_cork cork = {};
+ struct inet_cork cork;
struct sk_buff_head queue;
int err;
@@ -1417,6 +1417,9 @@ struct sk_buff *ip_make_skb(struct sock *sk,
__skb_queue_head_init(&queue);
+ cork.flags = 0;
+ cork.addr = 0;
+ cork.opt = 0;
err = ip_setup_cork(sk, &cork, ipc, rtp);
if (err)
return ERR_PTR(err);