From f3805c7b00185366104a5759ab20f1ce74db688b Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alex@spline.inf.fu-berlin.de>
Date: Mon, 18 Apr 2011 17:21:45 +0200
Subject: addIscsiDisk: handle error if executed with no arguments

---
 addIscsiDisk | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/addIscsiDisk b/addIscsiDisk
index 1bda195..364100b 100755
--- a/addIscsiDisk
+++ b/addIscsiDisk
@@ -1,11 +1,16 @@
 #!/bin/bash
 
-lvname=$(basename $1)
-if [ -z "${lvname}" -o ! -b "/dev/scsiRaid/${lvname}" ]; then
+if [ -z "${lvname}" ]; then
 	echo "Usage: $0 <lvname>"
 	exit 1
 fi
 
+lvname=$(basename $1)
+if [ ! -b "/dev/scsiRaid/${lvname}" ]; then
+	echo "Device '/dev/scsiRaid/${lvname}' not found."
+	exit 1
+fi
+
 # check if disk exists in config
 if grep -qs "Path=/dev/scsiRaid/${lvname},Type=diskio" /etc/iet/ietd.conf ; then
 	echo "Disk is already in config file. Not adding it again." >&2
-- 
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