With the noerr flag set in parse_volume_id we have to check if
$volname is defined before comparing it to 'cloudinit'.

Signed-off-by: Mira Limbeck <m.limb...@proxmox.com>
---
 PVE/API2/Qemu.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 4dd329a..ed4e522 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -70,7 +70,7 @@ my $check_storage_access = sub {
        my $volid = $drive->{file};
        my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
 
-       if (!$volid || ($volid eq 'none' || $volid eq 'cloudinit' || $volname 
eq 'cloudinit')) {
+       if (!$volid || ($volid eq 'none' || $volid eq 'cloudinit' || 
(defined($volname) && $volname eq 'cloudinit'))) {
            # nothing to check
        } elsif ($isCDROM && ($volid eq 'cdrom')) {
            $rpcenv->check($authuser, "/", ['Sys.Console']);
@@ -148,7 +148,7 @@ my $create_disks = sub {
        if (!$volid || $volid eq 'none' || $volid eq 'cdrom') {
            delete $disk->{size};
            $res->{$ds} = PVE::QemuServer::print_drive($vmid, $disk);
-       } elsif ($volname eq 'cloudinit') {
+       } elsif (defined($volname) && $volname eq 'cloudinit') {
            $storeid = $storeid // $default_storage;
            die "no storage ID specified (and no default storage)\n" if 
!$storeid;
            my $scfg = PVE::Storage::storage_config($storecfg, $storeid);
-- 
2.20.1


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