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From 099dab88be5a7a1c9207e7bc7116618b7108f851 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
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(-)
--- a/zfs/ZfsCompressedArcMeter.c
+++ b/zfs/ZfsCompressedArcMeter.c
@@ -33,7 +33,11 @@
}
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, char* buffer, size_t size) {
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