diff options
Diffstat (limited to 'net/ipv6/netfilter/ip6_queue.c')
| -rw-r--r-- | net/ipv6/netfilter/ip6_queue.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index e869916b05f1..cc2f9afcf808 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -285,8 +285,8 @@ static int ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct nf_queue_entry *e) { int diff; - int err; struct ipv6hdr *user_iph = (struct ipv6hdr *)v->payload; + struct sk_buff *nskb; if (v->data_len < sizeof(*user_iph)) return 0; @@ -298,14 +298,16 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct nf_queue_entry *e) if (v->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 "ip6_queue: OOM " "in mangle, dropping packet\n"); - return err; + return -ENOMEM; } + kfree_skb(e->skb); + e->skb = nskb; } skb_put(e->skb, diff); } |