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-rw-r--r--runtime/stat-common.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/runtime/stat-common.c b/runtime/stat-common.c
index 48f8218a..9ca045c9 100644
--- a/runtime/stat-common.c
+++ b/runtime/stat-common.c
@@ -237,10 +237,9 @@ static void __stp_stat_add (Hist st, stat *sd, int64_t val)
sd->histogram[n]++;
break;
case HIST_LINEAR:
- if (val < st->start)
- val = st->start;
- else
- val -= st->start;
+ val -= st->start;
+ if (val < 0)
+ val = 0;
do_div (val, st->interval);
if (val >= st->buckets)
val = st->buckets - 1;