ndisc: Reset skb->trasport_headner inside ndisc_alloc_send_skb().

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 09171fdbc312..62b1415bec25 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -388,6 +388,7 @@ static struct sk_buff *ndisc_alloc_skb(struct net_device *dev,
         skb->dev = dev;
 
         skb_reserve(skb, hlen + sizeof(struct ipv6hdr));
+        skb_reset_transport_header(skb);
 
         return skb;
 }
@@ -438,7 +439,6 @@ static struct sk_buff *ndisc_build_skb(struct net_device *dev,
         if (!skb)
                 return NULL;
 
-        skb->transport_header = skb->tail;
         skb_put(skb, len);
 
         hdr = (struct icmp6hdr *)skb_transport_header(skb);
@@ -1479,7 +1479,6 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
         if (!buff)
                 goto release;
 
-        skb_set_transport_header(buff, skb_tail_pointer(buff) - buff->data);
         skb_put(buff, len);
         msg = (struct rd_msg *)icmp6_hdr(buff);