From 1f71a5e8d263341d3516a0d1b38898eae53489db Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@suse.de>
Date: Wed, 28 Sep 2005 14:52:06 +0200
Subject: [PATCH] [PATCH] verify_blkparse: proper check of file given

---
 verify_blkparse | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/verify_blkparse b/verify_blkparse
index bd6a4fb..ddbcada 100755
--- a/verify_blkparse
+++ b/verify_blkparse
@@ -5,6 +5,10 @@
 // Parse time correctness of blkparse output
 // Thomas Kenne <thomas@2ndfloor.dk>
 
+if (!isset($argv[1])) {
+	die("need file as argument\n");
+}
+
 $file = $argv[1];
 
 if (!is_file($file)) {
-- 
2.25.1