Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
Cc: "Pekka Savola (ipv6)" <pekkas@xxxxxxxxxx>
Cc: James Morris <jmorris@xxxxxxxxx>
Cc: Hideaki YOSHIFUJI <yoshfuji@xxxxxxxxxxxxxx>
Cc: Patrick McHardy <kaber@xxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
---
net/ipv6/ip6_output.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9d4b165..fdd4f61 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1441,14 +1441,14 @@ alloc_new_skb:
if (page && (left = PAGE_SIZE - off) > 0) {
if (copy >= left)
copy = left;
- if (page != frag->page) {
+ if (page != skb_frag_page(frag)) {
if (i == MAX_SKB_FRAGS) {
err = -EMSGSIZE;
goto error;
}
- get_page(page);
skb_fill_page_desc(skb, i, page, sk->sk_sndmsg_off, 0);
frag = &skb_shinfo(skb)->frags[i];
+ __skb_frag_ref(frag);
}
} else if(i < MAX_SKB_FRAGS) {
if (copy > PAGE_SIZE)
@@ -1461,13 +1461,15 @@ alloc_new_skb:
sk->sk_sndmsg_page = page;
sk->sk_sndmsg_off = 0;
+ /* XXX no ref ? */
skb_fill_page_desc(skb, i, page, 0, 0);
frag = &skb_shinfo(skb)->frags[i];
} else {
err = -EMSGSIZE;
goto error;
}
- if (getfrag(from, page_address(frag->page)+frag->page_offset+frag->size, offset, copy, skb->len, skb) < 0) {
+ if (getfrag(from, skb_frag_address(frag)+frag->size,
+ offset, copy, skb->len, skb) < 0) {
err = -EFAULT;
goto error;
}
--
1.7.2.5
--
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