[SK_BUFF]: Fix missing offset adjustment in pskb_expand_head

Since we're increasing the headroom, the header offsets need to be
increased by the same amount as well.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f927b6e8027e..4965df29768b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -667,14 +667,15 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
         skb->data    += off;
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
         skb->end      = size;
+        off           = nhead;
 #else
         skb->end      = skb->head + size;
+#endif
         /* {transport,network,mac}_header and tail are relative to skb->head */
         skb->tail             += off;
         skb->transport_header += off;
         skb->network_header   += off;
         skb->mac_header       += off;
-#endif
         skb->cloned   = 0;
         skb->nohdr    = 0;
         atomic_set(&skb_shinfo(skb)->dataref, 1);