[IPV4]: fib_trie tnode stats refinements

[linux-2.6-omap-h63xx.git] / net / ipv4 / tcp_output.c

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 6094db5e11be798631ff7699396f551314374ee2..b018e31b65307618dc3ed068745d7d6cbabda608 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -435,6 +435,8 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
        int nsize, old_factor;
        u16 flags;
 
+       BUG_ON(len >= skb->len);
+
        nsize = skb_headlen(skb) - len;
        if (nsize < 0)
                nsize = 0;
@@ -485,11 +487,6 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
        TCP_SKB_CB(buff)->when = TCP_SKB_CB(skb)->when;
        buff->tstamp = skb->tstamp;
 
-       if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) {
-               tp->lost_out -= tcp_skb_pcount(skb);
-               tp->left_out -= tcp_skb_pcount(skb);
-       }
-
        old_factor = tcp_skb_pcount(skb);
 
        /* Fix up tso_factor for both original and new SKB.  */
@@ -499,7 +496,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
        /* If this packet has been sent out already, we must
         * adjust the various packet counters.
         */
-       if (after(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {
+       if (!before(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {
                int diff = old_factor - tcp_skb_pcount(skb) -
                        tcp_skb_pcount(buff);