X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/37843a37c95f258e6bed5eba805f9fc9dd628cbc..1123f260ffaa253d3469c34afb00a9f595aefea8:/latester/histogram.h

diff --git a/latester/histogram.h b/latester/histogram.h
index 64dcb22..80d629e 100644
--- a/latester/histogram.h
+++ b/latester/histogram.h
@@ -36,6 +36,10 @@ void histogram_fprint(struct histogram *h, FILE *f)
 {
 	unsigned long long sum = 0, cum;
 	unsigned i;
+
+	if (!f)
+		return;
+
 	for (i = 0; i < h->allocated; i++)
 		sum += h->data[i];
 	cum = sum;