destroy VM: also check if unused volumes are base images

It's arguably not likely in practice that only an unused volume is still in use
as a base image, but do it for completeness sake.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index e0039cb9f13d212ec931e9cc2a5bcfaa3c680837..1b2c65e894fe94c1c66e0587f37304ed99993cdb 100644 (file)
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2127,7 +2127,7 @@ sub destroy_vm {
 
     if ($conf->{template}) {
        # check if any base image is still used by a linked clone
-       PVE::QemuConfig->foreach_volume($conf, sub {
+       PVE::QemuConfig->foreach_volume_full($conf, { include_unused => 1 }, sub {
                my ($ds, $drive) = @_;
                return if drive_is_cdrom($drive);