| diff --git a/net/core/skbuff.c b/net/core/skbuff.c |
| index 5ba1c72f..f4239459 100644 |
| --- a/net/core/skbuff.c |
| +++ b/net/core/skbuff.c |
| @@ -69,6 +69,7 @@ |
| #include <net/ip6_checksum.h> |
| #include <net/xfrm.h> |
| #include <net/mpls.h> |
| +#include <net/ra_nat.h> |
| |
| #include <linux/uaccess.h> |
| #include <trace/events/skb.h> |
| @@ -1666,6 +1667,9 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, |
| skb_shinfo(skb), |
| offsetof(struct skb_shared_info, frags[skb_shinfo(skb)->nr_frags])); |
| |
| + /*headroom copy*/ |
| + memcpy(data, skb->head, FOE_INFO_LEN); |
| + |
| /* |
| * if shinfo is shared we must drop the old head gracefully, but if it |
| * is not we can just drop the old head and let the existing refcount |