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Commit de8261c2 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

gro: fix truesize underestimation 



skb_gro_receive() doesnt update truesize properly when adding one skb to
frag_list.

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c5665a53

net/core/skbuff.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -2906,7 +2906,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) 
	nskb->prev = p;

	nskb->prev = p;





	nskb->data_len += p->len;

	nskb->data_len += p->len;

	nskb->truesize += p->len;

	nskb->truesize += p->truesize;

	nskb->len += p->len;

	nskb->len += p->len;





	*head = nskb;

	*head = nskb;
@@ -2916,6 +2916,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) 
	p = nskb;

	p = nskb;





merge:

merge:

	p->truesize += skb->truesize - len;

	if (offset > headlen) {

	if (offset > headlen) {

		unsigned int eat = offset - headlen;

		unsigned int eat = offset - headlen;