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Commit 172a863f authored by Herbert Xu's avatar Herbert Xu Committed by David S. Miller
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[NET]: Fix csum_start update in pskb_expand_head 



I got confused by the dual nature of the off variable in the
function pskb_expand_head.  The csum_start offset should use
nhead instead of off which can change depending on whether we
are using offsets or pointers.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a9d41192

net/core/skbuff.c

+1 −1
Original line number Diff line number Diff line
@@ -682,7 +682,7 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, 
	skb->transport_header += off;

	skb->network_header   += off;

	skb->mac_header	      += off;

	skb->csum_start       += off;

	skb->csum_start       += nhead;

	skb->cloned   = 0;

	skb->hdr_len  = 0;

	skb->nohdr    = 0;