On 06.10.20 13:10, Mira Limbeck wrote:
> On 10/6/20 10:56 AM, Mira Limbeck wrote:
>> On 10/5/20 5:35 PM, Thomas Lamprecht wrote:
>>> On 28.09.20 10:36, Mira Limbeck wrote:
>>>> @@ -6906,6 +6906,8 @@ sub clone_disk {
>>>> $size = PVE::QemuServer::Cloudinit::CLOUDINIT_DISK_SIZE;
>>>> } elsif ($drivename eq 'efidisk0') {
>>>> $size = get_efivars_size($conf);
>>>> + } else {
>>>> + ($size) = PVE::Storage::volume_size_info($storecfg,
>>>> $drive->{file}, 3);
>>>> }
>>>> $size /= 1024;
>>> doesn't this logs a "use of undefined value in division" or something like
>>> that
>>> somewhere in the non-else case?
>> No, in the cloudinit case we set it to a constant. In the efidisk case we
>> call get_efivars_size() which dies if efivars is not a file, otherwise we
>> get a size (-s). And in the else case we also die if we can't get the size.
>> So size is set in every case before the first use.
> To clarify, the returned size in volume_size_info can be undefined, but not
> the other 2 cases. Would a die be a good idea in case the volume_size_info
> call returns 'undef'?
could be, could be possible to assert that in vdisk_alloc, as there
it rather seems that it's assumed to never be undef; but I just checked
the base and ZFS Plugin, so..
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