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Re: [Qemu-devel] [PATCH] ppc: abort if compat property contains an unkno
From: |
Thomas Huth |
Subject: |
Re: [Qemu-devel] [PATCH] ppc: abort if compat property contains an unknown value |
Date: |
Wed, 13 Jul 2016 14:05:19 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2 |
On 13.07.2016 12:00, Greg Kurz wrote:
> It is not possible to set the compat property to an unknown value with
> powerpc_set_compat(). Something must have gone terribly wrong in QEMU,
> if we detect an "Internal error" in powerpc_get_compat(). Let's abort then.
>
> This patch also drops the "max_compat ? *max_compat : -1" construct. It is
> useless since max_compat is dereferenced a few lines above.
>
> Signed-off-by: Greg Kurz <address@hidden>
> ---
> target-ppc/translate_init.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
> index 55688db9c9db..79c86c477878 100644
> --- a/target-ppc/translate_init.c
> +++ b/target-ppc/translate_init.c
> @@ -8446,8 +8446,8 @@ static void powerpc_get_compat(Object *obj, Visitor *v,
> const char *name,
> case 0:
> break;
> default:
> - error_setg(errp, "Internal error: compat is set to %x",
> - max_compat ? *max_compat : -1);
> + error_report("Internal error: compat is set to %x", *max_compat);
> + abort();
> break;
> }
Since abort() never returns, you can now also remove the "break;"
statement here.
Thomas