Commit 5154e8472db081d15a1efa09d3853f654c5394a9
2013-09-24T12:46:09
klondike - avoid division by zero if maxcount is unexpectedly zero
diff --git a/driver-klondike.c b/driver-klondike.c
index 389444a..b3ffe37 100644
--- a/driver-klondike.c
+++ b/driver-klondike.c
@@ -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
}