diff options
Diffstat (limited to 'net/netfilter/xt_TCPMSS.c')
| -rw-r--r-- | net/netfilter/xt_TCPMSS.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index 31b6f9d09822..f111edf5f775 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -105,14 +105,10 @@ tcpmss_mangle_packet(struct sk_buff **pskb, * MSS Option not found ?! add it.. */ if (skb_tailroom((*pskb)) < TCPOLEN_MSS) { - struct sk_buff *newskb; - - newskb = skb_copy_expand(*pskb, skb_headroom(*pskb), - TCPOLEN_MSS, GFP_ATOMIC); - if (!newskb) + if (pskb_expand_head(*pskb, 0, + TCPOLEN_MSS - skb_tailroom(*pskb), + GFP_ATOMIC)) return -1; - kfree_skb(*pskb); - *pskb = newskb; tcph = (struct tcphdr *)(skb_network_header(*pskb) + tcphoff); } |