[IPV4] icmp: Kill local 'ip' arg in icmp_redirect().
It is typed wrong, and it's only assigned and used once.
So just pass in iph->daddr directly which fixes both problems.
Based upon a patch by Alexey Dobriyan.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 2a04559..0179001 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -730,7 +730,6 @@
static void icmp_redirect(struct sk_buff *skb)
{
struct iphdr *iph;
- unsigned long ip;
if (skb->len < sizeof(struct iphdr))
goto out_err;
@@ -742,7 +741,6 @@
goto out;
iph = (struct iphdr *)skb->data;
- ip = iph->daddr;
switch (skb->h.icmph->code & 7) {
case ICMP_REDIR_NET:
@@ -752,7 +750,8 @@
*/
case ICMP_REDIR_HOST:
case ICMP_REDIR_HOSTTOS:
- ip_rt_redirect(skb->nh.iph->saddr, ip, skb->h.icmph->un.gateway,
+ ip_rt_redirect(skb->nh.iph->saddr, iph->daddr,
+ skb->h.icmph->un.gateway,
iph->saddr, skb->dev);
break;
}