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Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter/ip_queue.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 719be29..26a37ce 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -296,9 +296,8 @@ ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct nf_queue_entry *e)
if (v->data_len > 0xFFFF)
return -EINVAL;
if (diff > skb_tailroom(e->skb)) {
- nskb = skb_copy_expand(e->skb, 0,
- diff - skb_tailroom(e->skb),
- GFP_ATOMIC);
+ nskb = skb_copy_expand(e->skb, skb_headroom(e->skb),
+ diff, GFP_ATOMIC);
if (!nskb) {
printk(KERN_WARNING "ip_queue: error "
"in mangle, dropping packet\n");