commit 7b3aea998ded561dd97c6bcd3596798f11cba1b1
author Jens Axboe <axboe@fb.com> Tue Oct 14 19:47:41 2014 -0600
committer Mohamad Ayyash <mkayyash@google.com> Fri Mar 06 17:57:24 2015 -0800
tree 0c02c253e5c214c17fb6fd543617775438e22f3a
parent 9b093d8fd80ef001dfa777f1edc5a7c49a37b943

crc/test: fix potential div by zero

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

crc/test.c

diff --git a/crc/test.c b/crc/test.c
index bca46f2..bc5cc45 100644
--- a/crc/test.c
+++ b/crc/test.c
@@ -329,13 +329,16 @@
 		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;
 	}