[IPV4]: ip_options_fragment() has no effect on fragmentation
Fix error point to options in ip_options_fragment(). optptr get a
error pointer to the ipv4 header, correct is pointer to ipv4 options.
Signed-off-by: Wei Yongjun <weiyj@soft.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 9bebad0..cbcae65 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -209,7 +209,7 @@
void ip_options_fragment(struct sk_buff * skb)
{
- unsigned char * optptr = skb->nh.raw;
+ unsigned char * optptr = skb->nh.raw + sizeof(struct iphdr);
struct ip_options * opt = &(IPCB(skb)->opt);
int l = opt->optlen;
int optlen;