[pve-devel] [PATCH qemu-server] qemu-server: pending config: fix hotplug check

[Michael Köppl]

On Tue Oct 14, 2025 at 4:43 PM CEST, Hannes Duerr wrote:
> When checking whether cpu and mem hotplug have already been set, it was
> not checked whether there is already a hotplug section in the VM config,
> which results in an uninitialized value error.
> At the same time, remove unnecessary regex.
>
> Signed-off-by: Hannes Duerr <h.duerr at proxmox.com>
> ---
>  src/PVE/QemuServer.pm | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/src/PVE/QemuServer.pm b/src/PVE/QemuServer.pm
> index 45daa06c..9b16d057 100644
> --- a/src/PVE/QemuServer.pm
> +++ b/src/PVE/QemuServer.pm
> @@ -24,6 +24,7 @@ use Storable qw(dclone);
>  use Time::HiRes qw(gettimeofday usleep);
>  use URI::Escape;
>  use UUID;
> +use Data::Dumper;

Leftover from debugging ;)

>  
>  use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file);
>  use PVE::CGroup;
> @@ -4714,9 +4715,9 @@ sub vmconfig_hotplug_pending {
>          eval {
>              if ($opt eq 'hotplug') {
>                  die "skip\n"
> -                    if ($value =~ /memory/) || ($value !~ /memory/ && $conf->{hotplug} =~ /memory/);
> +                    if ($value =~ /cpu/) || ($conf->{hotplug} && $conf->{hotplug} =~ /cpu/);
>                  die "skip\n"
> -                    if ($value =~ /cpu/) || ($value !~ /cpu/ && $conf->{hotplug} =~ /cpu/);
> +                    if ($value =~ /memory/) || ($conf->{hotplug} && $conf->{hotplug} =~ /memory/);
>              } elsif ($opt eq 'tablet') {
>                  die "skip\n" if !$hotplug_features->{usb};
>                  if ($value == 1) {