diff options
| author | Alex Shi <alex.shi@linaro.org> | 2017-07-18 14:31:54 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-07-18 14:31:54 +0800 |
| commit | 16e243013beb93902693c4bb90e4348c99588429 (patch) | |
| tree | 6a5858d948085974ef1f26bb1e4b546cfb44cfc5 /net/ipv4/tcp_input.c | |
| parent | 2120557722577d8cff75a33a799ad15582dbd8ef (diff) | |
| parent | 5289d9c979092878f2bf741d8b365ef7565fb6db (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-17.07-android
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 9f6aac1ccb4b..197a3d2a6242 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2166,8 +2166,7 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) { struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - int cnt, oldcnt; - int err; + int cnt, oldcnt, lost; unsigned int mss; /* Use SACK to deduce losses of new sequences sent during recovery */ const u32 loss_high = tcp_is_sack(tp) ? tp->snd_nxt : tp->high_seq; @@ -2207,9 +2206,10 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) break; mss = tcp_skb_mss(skb); - err = tcp_fragment(sk, skb, (packets - oldcnt) * mss, - mss, GFP_ATOMIC); - if (err < 0) + /* If needed, chop off the prefix to mark as lost. */ + lost = (packets - oldcnt) * mss; + if (lost < skb->len && + tcp_fragment(sk, skb, lost, mss, GFP_ATOMIC) < 0) break; cnt = packets; } |