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yaml
---
r: 150525
b: refs/heads/master
c: 9aaa156
h: refs/heads/master
i:
  150523: 9a299aa
v: v3
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Herbert Xu authored and David S. Miller committed May 27, 2009
1 parent 1caa8fa commit bcf1228
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Showing 2 changed files with 13 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 66e92fcf1ded5dd0da30d016ed47882eb183ec71
refs/heads/master: 9aaa156cf9b7e9d9ed899f254283b91c4e3c36c8
22 changes: 12 additions & 10 deletions trunk/net/core/skbuff.c
Original file line number Diff line number Diff line change
Expand Up @@ -2664,6 +2664,8 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
{
struct sk_buff *p = *head;
struct sk_buff *nskb;
struct skb_shared_info *skbinfo = skb_shinfo(skb);
struct skb_shared_info *pinfo = skb_shinfo(p);
unsigned int headroom;
unsigned int len = skb_gro_len(skb);
unsigned int offset = skb_gro_offset(skb);
Expand All @@ -2672,24 +2674,24 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
if (p->len + len >= 65536)
return -E2BIG;

if (skb_shinfo(p)->frag_list)
if (pinfo->frag_list)
goto merge;
else if (headlen <= offset) {
skb_frag_t *frag;
skb_frag_t *frag2;
int i = skb_shinfo(skb)->nr_frags;
int nr_frags = skb_shinfo(p)->nr_frags + i;
int i = skbinfo->nr_frags;
int nr_frags = pinfo->nr_frags + i;

offset -= headlen;

if (nr_frags > MAX_SKB_FRAGS)
return -E2BIG;

skb_shinfo(p)->nr_frags = nr_frags;
skb_shinfo(skb)->nr_frags = 0;
pinfo->nr_frags = nr_frags;
skbinfo->nr_frags = 0;

frag = skb_shinfo(p)->frags + nr_frags;
frag2 = skb_shinfo(skb)->frags + i;
frag = pinfo->frags + nr_frags;
frag2 = skbinfo->frags + i;
do {
*--frag = *--frag2;
} while (--i);
Expand Down Expand Up @@ -2726,7 +2728,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)

*NAPI_GRO_CB(nskb) = *NAPI_GRO_CB(p);
skb_shinfo(nskb)->frag_list = p;
skb_shinfo(nskb)->gso_size = skb_shinfo(p)->gso_size;
skb_shinfo(nskb)->gso_size = pinfo->gso_size;
skb_header_release(p);
nskb->prev = p;

Expand All @@ -2742,8 +2744,8 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)

merge:
if (offset > headlen) {
skb_shinfo(skb)->frags[0].page_offset += offset - headlen;
skb_shinfo(skb)->frags[0].size -= offset - headlen;
skbinfo->frags[0].page_offset += offset - headlen;
skbinfo->frags[0].size -= offset - headlen;
offset = headlen;
}

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