cfg2cmd: fix uninitialized value warning on OVMF w/o efidisk

It's possible to have a VM with OVMF but without an efidisk, so don't
call parse_drive on a potential undef value.

Partial revert of 818c3b8d91 ("cfg2cmd: ovmf: code cleanup")

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index cb96b71cfb9efdd09c3db4a8e3496a17cd23e3d1..0785fd27360a29a8467f92425f6da0b993bf7fc2 100644 (file)
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -3084,7 +3084,8 @@ sub config_to_command {
        die "uefi base image '$ovmf_code' not found\n" if ! -f $ovmf_code;
 
        my ($path, $format);
-       if (my $d = parse_drive('efidisk0', $conf->{efidisk0})) {
+       if (my $efidisk = $conf->{efidisk0}) {
+           my $d = parse_drive('efidisk0', $efidisk);
            my ($storeid, $volname) = PVE::Storage::parse_volume_id($d->{file}, 1);
            $format = $d->{format};
            if ($storeid) {