From 16f2033235c88c7fae931936f82e441575f7a83d Mon Sep 17 00:00:00 2001
From: Stoiko Ivanov <s.ivanov@proxmox.com>
Date: Tue, 26 Jun 2018 11:33:46 +0200
Subject: [PATCH 1/1] PVE::CLIHandler::data_to_text: return '' for undef

Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
---
 src/PVE/CLIHandler.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PVE/CLIHandler.pm b/src/PVE/CLIHandler.pm
index 9933df7..dfdc41c 100644
--- a/src/PVE/CLIHandler.pm
+++ b/src/PVE/CLIHandler.pm
@@ -432,7 +432,7 @@ my $print_bash_completion = sub {
 sub data_to_text {
     my ($data) = @_;
 
-    return undef if !defined($data);
+    return '' if !defined($data);
 
     if (my $class = ref($data)) {
 	return to_json($data, { utf8 => 1, canonical => 1 });
-- 
2.39.2