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klondike - avoid division by zero if maxcount is unexpectedly zero

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Kano 2013-09-24 12:46:09 +10:00 committed by Con Kolivas
parent b5ea2bf94a
commit 11a36418b2
1 changed files with 2 additions and 1 deletions
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3
driver-klondike.c
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@ -537,7 +537,8 @@ static int64_t klondike_scanwork(struct thr_info *thr)
newhashdev += klninfo->status[dev].maxcount; // hash counter wrapped
newhashdev += klninfo->status[dev].hashcount - klninfo->devinfo[dev].lasthashcount;
klninfo->devinfo[dev].lasthashcount = klninfo->status[dev].hashcount;
klninfo->hashcount += (newhashdev << 32) / klninfo->status[dev].maxcount;
if (klninfo->status[dev].maxcount != 0)
klninfo->hashcount += (newhashdev << 32) / klninfo->status[dev].maxcount;
// todo: check stats for critical conditions
}