From: Jens Axboe <axboe@fb.com>
Date: Wed, 15 Oct 2014 01:47:41 +0000 (-0600)
Subject: crc/test: fix potential div by zero
X-Git-Tag: fio-2.1.14~57
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e5607fe5385523d6029d21883f51fe0053abb5aa;p=fio.git

crc/test: fix potential div by zero

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/crc/test.c b/crc/test.c
index bca46f24..bc5cc456 100644
--- a/crc/test.c
+++ b/crc/test.c
@@ -329,13 +329,16 @@ int fio_crctest(const char *type)
 		t[i].fn(&t[i], buf, CHUNK);
 		usec = utime_since_now(&tv);
 
-		mb_sec = (double) mb / (double) usec;
-		mb_sec /= (1.024 * 1.024);
-		if (strlen(t[i].name) >= 7)
-			sprintf(pre, "\t");
-		else
-			sprintf(pre, "\t\t");
-		printf("%s:%s%8.2f MB/sec\n", t[i].name, pre, mb_sec);
+		if (usec) {
+			mb_sec = (double) mb / (double) usec;
+			mb_sec /= (1.024 * 1.024);
+			if (strlen(t[i].name) >= 7)
+				sprintf(pre, "\t");
+			else
+				sprintf(pre, "\t\t");
+			printf("%s:%s%8.2f MB/sec\n", t[i].name, pre, mb_sec);
+		} else
+			printf("%s:inf MB/sec\n", t[i].name);
 		first = 0;
 	}