add check to resize disk if current size could not be determined

This check ensures that disks aren't unintentionally shrunken, if the
size is zero due to an underlying problem.

diff --git a/src/PVE/API2/LXC.pm b/src/PVE/API2/LXC.pm
index 294c7ca041299fa3d50351d2b018ebdb17dc32c2..1b0c7c32c1024f5d8984dc51af370aa1fa10173d 100644 (file)
--- a/src/PVE/API2/LXC.pm
+++ b/src/PVE/API2/LXC.pm
@@ -1659,6 +1659,9 @@ __PACKAGE__->register_method({
            PVE::Storage::activate_volumes($storage_cfg, [$volid]);
 
            my $size = PVE::Storage::volume_size_info($storage_cfg, $volid, 5);
+
+           die "Size of volume $volid couldn't be determined\n" if (!defined($size));
+
            $newsize += $size if $ext;
            $newsize = int($newsize);