[PATCH net-next] gro: fix truesize underestimation
From: Eric Dumazet <hidden>
Date: 2012-02-13 14:09:24
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
skb_gro_receive() doesnt update truesize properly when adding one skb to frag_list. Signed-off-by: Eric Dumazet <redacted> Cc: Herbert Xu <herbert@gondor.apana.org.au> --- net/core/skbuff.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index da0c97f..f3a5307 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c@@ -2906,7 +2906,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) nskb->prev = p; nskb->data_len += p->len; - nskb->truesize += p->len; + nskb->truesize += p->truesize; nskb->len += p->len; *head = nskb;
@@ -2916,6 +2916,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) p = nskb; merge: + p->truesize += skb->truesize - len; if (offset > headlen) { unsigned int eat = offset - headlen;