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Re: [Qemu-devel] [PULL 08/11] linux-user: Check for cpu_init() errors


From: Andreas Färber
Subject: Re: [Qemu-devel] [PULL 08/11] linux-user: Check for cpu_init() errors
Date: Wed, 25 Feb 2015 23:23:45 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

Am 25.02.2015 um 20:58 schrieb Eduardo Habkost:
> This was the only caller of cpu_init() that was not checking for NULL
> yet.
> 
> Reviewed-by: Paolo Bonzini <address@hidden>
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
>  linux-user/main.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/linux-user/main.c b/linux-user/main.c
> index d92702a..111c1ff 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -3453,10 +3453,17 @@ CPUArchState *cpu_copy(CPUArchState *env)
>  {
>      CPUState *cpu = ENV_GET_CPU(env);
>      CPUArchState *new_env = cpu_init(cpu_model);
> -    CPUState *new_cpu = ENV_GET_CPU(new_env);
> +    CPUState *new_cpu;
>      CPUBreakpoint *bp;
>      CPUWatchpoint *wp;
>  
> +    if (!new_env) {
> +        fprintf(stderr, "cpu_copy: Failed to create new CPU\n");
> +        exit(1);
> +    }
> +
> +    new_cpu = ENV_GET_CPU(new_env);
> +
>      /* Reset non arch specific state */
>      cpu_reset(new_cpu);
>  

This one seems a genuine bug fix independent of your remodeling.

I would've expected that to go through Riku's/Peter's or my qom-cpu
tree, with Cc: address@hidden

Regards,
Andreas

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