[NET]: Set truesize in pskb_copy

Since pskb_copy tacks on the non-linear bits from the original
skb, it needs to count them in the truesize field of the new skb.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f735455dc5d1..b8b106358040 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -639,6 +639,7 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
         n->csum      = skb->csum;
         n->ip_summed = skb->ip_summed;
 
+        n->truesize += skb->data_len;
         n->data_len  = skb->data_len;
         n->len       = skb->len;