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path: root/net/netfilter/nfnetlink_queue.c
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Diffstat (limited to 'net/netfilter/nfnetlink_queue.c')
-rw-r--r--net/netfilter/nfnetlink_queue.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index a48b20fe9cd6..0043d3a9f87e 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -443,8 +443,8 @@ err_out:
static int
nfqnl_mangle(void *data, int data_len, struct nf_queue_entry *e)
{
+ struct sk_buff *nskb;
int diff;
- int err;
diff = data_len - e->skb->len;
if (diff < 0) {
@@ -454,14 +454,16 @@ nfqnl_mangle(void *data, int data_len, struct nf_queue_entry *e)
if (data_len > 0xFFFF)
return -EINVAL;
if (diff > skb_tailroom(e->skb)) {
- err = pskb_expand_head(e->skb, 0,
+ nskb = skb_copy_expand(e->skb, 0,
diff - skb_tailroom(e->skb),
GFP_ATOMIC);
- if (err) {
+ if (!nskb) {
printk(KERN_WARNING "nf_queue: OOM "
"in mangle, dropping packet\n");
- return err;
+ return -ENOMEM;
}
+ kfree_skb(e->skb);
+ e->skb = nskb;
}
skb_put(e->skb, diff);
}