Re: [PATCH 2/2] qemu_capabilities: Parse "deprecated" in virQEMUCapsLoadMachines() properly

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On Tue, Feb 09, 2021 at 04:42:38PM +0100, Michal Privoznik wrote:
> A <machine/> element can have "deprecated" attribute that
> corresponds to 'deprecated' member of _virQEMUCapsMachineType
> struct. But the member is of boolean type. Therefore, the string
> returned by virXMLPropString() must be freed.
> 
> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
> ---
>  src/qemu/qemu_capabilities.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 4a6ef2e383..ebd6607888 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -4063,7 +4063,11 @@ virQEMUCapsLoadMachines(virQEMUCapsAccelPtr caps,
>  
>          caps->machineTypes[i].defaultCPU = virXMLPropString(nodes[i], "defaultCPU");
>          caps->machineTypes[i].defaultRAMid = virXMLPropString(nodes[i], "defaultRAMid");
> -        caps->machineTypes[i].deprecated = virXMLPropString(nodes[i], "deprecated");
> +
> +        str = virXMLPropString(nodes[i], "deprecated");
> +        if (STREQ_NULLABLE(str, "yes"))
> +            caps->machineTypes[i].deprecated = true;
> +        VIR_FREE(str);

Doh, subtle bug

Reviewed-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>


Regards,
Daniel
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