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ipv4: Pass explicit daddr arg to ip_send_reply().

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This eliminates an access to rt->rt_src.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-05-09 13:22:43 -07:00
parent 1c3319fb69
commit 0a5ebb8000
3 changed files with 7 additions and 8 deletions
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7
net/ipv4/ip_output.c
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@@ -1459,20 +1459,19 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset,
* Should run single threaded per socket because it uses the sock
* structure to pass arguments.
*/
void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *arg,
unsigned int len)
void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
struct ip_reply_arg *arg, unsigned int len)
{
struct inet_sock *inet = inet_sk(sk);
struct ip_options_data replyopts;
struct ipcm_cookie ipc;
struct flowi4 fl4;
__be32 daddr;
struct rtable *rt = skb_rtable(skb);
if (ip_options_echo(&replyopts.opt.opt, skb))
return;
daddr = ipc.addr = rt->rt_src;
ipc.addr = daddr;
ipc.opt = NULL;
ipc.tx_flags = 0;