From c2cbf1ff3c0157173ac390e244f132663ebd59f9 Mon Sep 17 00:00:00 2001
From: Warren Toomey <wkt@tuhs.org>
Date: Wed, 23 Mar 2016 13:41:17 +1000
Subject: [PATCH] Oops, don't print out allocated blocks in mkfs7 if we didn't
 allocate any.

---
 tools/mkfs7 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/mkfs7 b/tools/mkfs7
index f5cf81e..8bd0776 100755
--- a/tools/mkfs7
+++ b/tools/mkfs7
@@ -130,7 +130,8 @@ sub allocate_blocks {
     }
     dprintf(
         "Allocated blocks for size %d: %d .. %d (%06o .. %06o)\n",
-	$numwords, $blklist[0], $blklist[-1], $blklist[0], $blklist[-1]);
+	$numwords, $blklist[0], $blklist[-1], $blklist[0], $blklist[-1])
+		if ($blklist[0]);
     return (@blklist);
 }