create_disks: fix uninitialized warning

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index fd51bf3d100e602570e182b18e30ab37ac9ad0e5..5e6fd42513dbaf509e9ae128c85a6eab84276018 100644 (file)
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -1095,7 +1095,7 @@ my $update_vm_api  = sub {
        return if PVE::QemuServer::drive_is_cdrom($drive);
 
        my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
-       return if $volname eq 'cloudinit';
+       return if defined($volname) && $volname eq 'cloudinit';
 
        my $format;
        if ($volid =~ $NEW_DISK_RE) {