From 099dab88be5a7a1c9207e7bc7116618b7108f851 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= Date: Thu, 22 Apr 2021 17:12:02 +0200 Subject: [PATCH] ZfsCompressedArcMeter: avoid division by 0 On systems not using ZFS `this->values[0]` is zero. --- zfs/ZfsCompressedArcMeter.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/zfs/ZfsCompressedArcMeter.c b/zfs/ZfsCompressedArcMeter.c index 9e5ef3ea..85fcee95 100644 --- a/zfs/ZfsCompressedArcMeter.c +++ b/zfs/ZfsCompressedArcMeter.c @@ -33,7 +33,11 @@ void ZfsCompressedArcMeter_readStats(Meter* this, const ZfsArcStats* stats) { } static void ZfsCompressedArcMeter_printRatioString(const Meter* this, char* buffer, size_t size) { - xSnprintf(buffer, size, "%.2f:1", this->total / this->values[0]); + if (this->values[0] > 0) { + xSnprintf(buffer, size, "%.2f:1", this->total / this->values[0]); + } else { + xSnprintf(buffer, size, "N/A"); + } } static void ZfsCompressedArcMeter_updateValues(Meter* this) {