ip: use ip_hdr() in __ip_make_skb() to retrieve IP header
Ansis Atteka [Wed, 18 Sep 2013 22:29:52 +0000 (15:29 -0700)]
[ Upstream commit 749154aa56b57652a282cbde57a57abc278d1205 ]

skb->data already points to IP header, but for the sake of
consistency we can also use ip_hdr() to retrieve it.

Signed-off-by: Ansis Atteka <aatteka@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

net/ipv4/ip_output.c

index 4bcabf3..b663b7b 100644 (file)
@@ -1324,7 +1324,7 @@ struct sk_buff *__ip_make_skb(struct sock *sk,
        else
                ttl = ip_select_ttl(inet, &rt->dst);
 
-       iph = (struct iphdr *)skb->data;
+       iph = ip_hdr(skb);
        iph->version = 4;
        iph->ihl = 5;
        iph->tos = inet->tos;