From 7fabddca0575489d51a606062ae2d5c0e6fa3671 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Fri, 25 Sep 2015 09:41:40 +0200
Subject: [PATCH] CephTools: improve abs_path error handling

verify_blockdev_path didn't check the result of abs_path
causing commands like `pveceph createosd bad/path` to error
with a meaningless "Use of uninitialized value" message.
---
 PVE/CephTools.pm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/PVE/CephTools.pm b/PVE/CephTools.pm
index 68bf1756..1c639e33 100644
--- a/PVE/CephTools.pm
+++ b/PVE/CephTools.pm
@@ -43,9 +43,11 @@ sub get_config {
 }
 
 sub verify_blockdev_path {
-    my ($path) = @_;
+    my ($rel_path) = @_;
 
-    $path = abs_path($path);
+    die "missing path" if !$rel_path;
+    my $path = abs_path($rel_path);
+    die "failed to get absolute path to $rel_path" if !$path;
 
     die "got unusual device path '$path'\n" if $path !~  m|^/dev/(.*)$|;