Re: [Qemu-devel] [PATCH 2/6] cpu: make cpu_generic_init() abort QEMU on error

[Eduardo Habkost <ehabkost@redhat.com>]

On Mon, Sep 04, 2017 at 04:00:58PM +0200, Igor Mammedov wrote:
> Almost every user of cpu_generic_init() checks for
> returned NULL and then reports failure in a custom way
> and aborts process.
> Some users assume that call can't fail and don't check
> for failure, though they should have checked for it.
> 
> In either cases cpu_generic_init() failure is fatal,
> so instead of checking for failure and reporting
> it various ways, make cpu_generic_init() report
> errors in consistent way and terminate QEMU on failure.
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> ---
> Even though it's tree wide change, it's trivial so all
> affected call sites are included within one patch.
> 
[...]
> diff --git a/qom/cpu.c b/qom/cpu.c
> index d715890..307d638 100644
> --- a/qom/cpu.c
> +++ b/qom/cpu.c
> @@ -61,7 +61,7 @@ CPUState *cpu_create(const char *typename)
>      if (err != NULL) {
>          error_report_err(err);
>          object_unref(OBJECT(cpu));
> -        return NULL;
> +        exit(EXIT_FAILURE);

Isn't it simpler to use &error_fatal?

-- 
Eduardo