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| author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2007-12-31 04:43:32 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:00:20 -0800 |
| commit | 3ccd3130b3f681a4aef6392327256786b3b6aa04 (patch) | |
| tree | c22e270c30b6e1a61b6238b804c13bd9743e63c8 /net/ipv4/tcp_input.c | |
| parent | 61f1ab41b8ede8e2a26c349a4e3372100545c5ec (diff) | |
| download | lwn-3ccd3130b3f681a4aef6392327256786b3b6aa04.tar.gz lwn-3ccd3130b3f681a4aef6392327256786b3b6aa04.zip | |
[TCP]: Make invariant check complain about invalid sacked_out
Earlier resolution for NewReno's sacked_out should now keep
it small enough for this to become invariant-like check.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 722c9cbb91e3..41f4b862319d 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2504,11 +2504,8 @@ tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag) (tcp_fackets_out(tp) > tp->reordering)); int fast_rexmit = 0; - /* Some technical things: - * 1. Reno does not count dupacks (sacked_out) automatically. */ - if (!tp->packets_out) + if (WARN_ON(!tp->packets_out && tp->sacked_out)) tp->sacked_out = 0; - if (WARN_ON(!tp->sacked_out && tp->fackets_out)) tp->fackets_out = 0; |