linux-kernel - Re: [PATCH v4 10/15] acpi/ghes: don't crash QEMU if ghes GED is not found

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Message-ID: <20241122172157.10012778@imammedo.users.ipa.redhat.com>
Date: Fri, 22 Nov 2024 17:21:57 +0100
From: Igor Mammedov <imammedo@...hat.com>
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>, Shiju Jose
 <shiju.jose@...wei.com>, "Michael S. Tsirkin" <mst@...hat.com>, Ani Sinha
 <anisinha@...hat.com>, Dongjiu Geng <gengdongjiu1@...il.com>,
 linux-kernel@...r.kernel.org, qemu-arm@...gnu.org, qemu-devel@...gnu.org
Subject: Re: [PATCH v4 10/15] acpi/ghes: don't crash QEMU if ghes GED is not
 found

On Fri, 22 Nov 2024 10:11:27 +0100
Mauro Carvalho Chehab <mchehab+huawei@...nel.org> wrote:

> Make error handling within ghes_record_cper_errors() consistent,
> i.e. instead abort just print a error in case ghes GED is not found.
> 
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

Reviewed-by: Igor Mammedov <imammedo@...hat.com>

> ---
>  hw/acpi/ghes.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
> index ad7d895def2a..25587f5fc9ab 100644
> --- a/hw/acpi/ghes.c
> +++ b/hw/acpi/ghes.c
> @@ -371,7 +371,10 @@ void ghes_record_cper_errors(const void *cper, size_t len,
>  
>      acpi_ged_state = ACPI_GED(object_resolve_path_type("", TYPE_ACPI_GED,
>                                                         NULL));
> -    g_assert(acpi_ged_state);
> +    if (!acpi_ged_state) {
> +        error_setg(errp, "Can't find ACPI_GED object");
> +        return;
> +    }
>      ags = &acpi_ged_state->ghes_state;
>  
>      start_addr = le64_to_cpu(ags->ghes_addr_le);