diff options
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 0336422c88a0..0bb0ac96d675 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2166,13 +2166,19 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features) if (!pskb_may_pull(skb, thlen)) goto out; - segs = NULL; - if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) - goto out; - oldlen = (u16)~skb->len; __skb_pull(skb, thlen); + if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) { + /* Packet is from an untrusted source, reset gso_segs. */ + int mss = skb_shinfo(skb)->gso_size; + + skb_shinfo(skb)->gso_segs = (skb->len + mss - 1) / mss; + + segs = NULL; + goto out; + } + segs = skb_segment(skb, features); if (IS_ERR(segs)) goto out; |