[PATCH virt-manager] Fix uninitialized controller index

[Cole Robinson]

On 12/7/22 5:20 PM, Charles Arnold wrote:
> Subject: Fix uninitialized controller index
> From: Charles Arnold carnold at suse.com Tue Nov 15 08:17:23 2022 -0700
> Date: Tue Nov 15 08:17:23 2022 -0700:
> Git: fc8f0027a54ab8405e584398ca6d31d7c2108065
> 
> When adding a second virtio-scsi controller to a guest from the
> Add Hardware dialog an exception is thrown.
> Error building device XML: unsupported operand type(s) for +: 'NoneType'
> and 'int'
> This happens because the index for the first controller created
> was not initialized to zero.
> 
> Signed-off-by: Charles Arnold <carnold at suse.com>
> 
> diff --git a/virtManager/addhardware.py b/virtManager/addhardware.py
> index 0a8e33d3..fd576839 100644
> --- a/virtManager/addhardware.py
> +++ b/virtManager/addhardware.py
> @@ -1562,6 +1562,8 @@ class vmmAddHardware(vmmGObjectUI):
>          if len(controller_num) > 0:
>              index_new = max([x.index for x in controller_num]) + 1
>              dev.index = index_new
> +        else:
> +            dev.index = 0
> 
>          dev.type = controller_type
> 
> 

Thanks for the patch. I commented on your PR, let's follow up there:

https://github.com/virt-manager/virt-manager/pull/459

- Cole