From 03c487e5537117acecd38d4d12e387e046d0f0ea Mon Sep 17 00:00:00 2001
From: Fabian Ebner <f.ebner@proxmox.com>
Date: Fri, 18 Jun 2021 12:59:36 +0200
Subject: [PATCH] config: prevent empty content list when content type 'none'
 is not supported

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---
 PVE/Storage/Plugin.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm
index 948002e..d330845 100644
--- a/PVE/Storage/Plugin.pm
+++ b/PVE/Storage/Plugin.pm
@@ -345,6 +345,10 @@ sub decode_value {
 	    die "unable to combine 'none' with other content types\n";
 	}
 
+	if (scalar(keys $res->%*) == 0 && !$valid_content->{none}) {
+	    die "storage does not support content type 'none'\n";
+	}
+
 	return $res;
     } elsif ($key eq 'format') {
 	my $valid_formats = $def->{format}->[0];