From 22f82362296ee15f05b4331a5ba77b42bba55bc6 Mon Sep 17 00:00:00 2001
From: trz <trz>
Date: Mon, 17 Jul 2006 19:01:09 +0000
Subject: Fix for bug #2934

---
 tapset/ioblock.stp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'tapset/ioblock.stp')

diff --git a/tapset/ioblock.stp b/tapset/ioblock.stp
index 746460cc..484b61f3 100644
--- a/tapset/ioblock.stp
+++ b/tapset/ioblock.stp
@@ -62,11 +62,12 @@ probe ioblock.end
 /* Return the block device name */
 function bio_devname:string(bio:long)
 %{
-  char b[BDEVNAME_SIZE];
+  char b[BDEVNAME_SIZE] = "";
   struct bio *bp;
 
   bp = (struct bio *) ((unsigned long) THIS->bio);
-  bdevname(bp->bi_bdev,b);
+  if (bp->bi_bdev)
+    bdevname(bp->bi_bdev,b);
   sprintf(THIS->__retvalue,"%s",b);
 %}
 
-- 
cgit