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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-03-04 11:32:40 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-03-04 11:32:40 -0800 |
| commit | 52cdce8adb635746f53306ab2599ca64902bb1dc (patch) | |
| tree | 0b61680c30eb150796cf01186f15b4845cdee6dd /net/ipv4/tcp_input.c | |
| parent | 3cd47869431d7402d0613cf0f7fbb392f2b97565 (diff) | |
| parent | 7dde4e74744772efdc85d7ed13495c7b6a0d881b (diff) | |
Merge branch 'rotary-encoder' into next
Bring in updates to roraty encoder driver switching it away from legacy
platform data and over to generic device properties and adding support
for encoders using more than 2 GPIOs.
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 2d656eef7f8e..d4c51158470f 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2478,6 +2478,9 @@ static void tcp_cwnd_reduction(struct sock *sk, const int prior_unsacked, int newly_acked_sacked = prior_unsacked - (tp->packets_out - tp->sacked_out); + if (newly_acked_sacked <= 0 || WARN_ON_ONCE(!tp->prior_cwnd)) + return; + tp->prr_delivered += newly_acked_sacked; if (delta < 0) { u64 dividend = (u64)tp->snd_ssthresh * tp->prr_delivered + |