diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
commit | 0f8b29fabacbcf0e617896c7ea832b7ea2ef2406 (patch) | |
tree | 0187f2baef24b5d78d94aecc7057356a36c58b5d /net/core/gen_estimator.c | |
parent | e71a8d5cf4b4f274740e31b601216071e2a11afa (diff) | |
parent | 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04 (diff) |
Merge 5.11-rc5 into tty-next
We need the fixes in here and this resolves a merge issue in
drivers/tty/tty_io.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core/gen_estimator.c')
-rw-r--r-- | net/core/gen_estimator.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c index 80dbf2f4016e2..8e582e29a41e3 100644 --- a/net/core/gen_estimator.c +++ b/net/core/gen_estimator.c @@ -80,11 +80,11 @@ static void est_timer(struct timer_list *t) u64 rate, brate; est_fetch_counters(est, &b); - brate = (b.bytes - est->last_bytes) << (10 - est->ewma_log - est->intvl_log); - brate -= (est->avbps >> est->ewma_log); + brate = (b.bytes - est->last_bytes) << (10 - est->intvl_log); + brate = (brate >> est->ewma_log) - (est->avbps >> est->ewma_log); - rate = (b.packets - est->last_packets) << (10 - est->ewma_log - est->intvl_log); - rate -= (est->avpps >> est->ewma_log); + rate = (b.packets - est->last_packets) << (10 - est->intvl_log); + rate = (rate >> est->ewma_log) - (est->avpps >> est->ewma_log); write_seqcount_begin(&est->seq); est->avbps += brate; @@ -143,6 +143,9 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats, if (parm->interval < -2 || parm->interval > 3) return -EINVAL; + if (parm->ewma_log == 0 || parm->ewma_log >= 31) + return -EINVAL; + est = kzalloc(sizeof(*est), GFP_KERNEL); if (!est) return -ENOBUFS; |