Re: [Qemu-devel] [PATCH v1 2/5] sifive_u: Fix crash when introspecting the device

[Philippe Mathieu-Daudé]

On 07/17/2018 05:28 PM, Alistair Francis wrote:
> Use the new object_initialize_child() and sysbus_init_child_obj() to
> fix the issue.
> 

Suggested-by: Thomas Huth <address@hidden>

> Signed-off-by: Alistair Francis <address@hidden>

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Tested-by: Philippe Mathieu-Daudé <address@hidden>

> ---
>  hw/riscv/sifive_u.c | 15 +++++++--------
>  1 file changed, 7 insertions(+), 8 deletions(-)
> 
> diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
> index 3a6ffeb437..59ae1ce24a 100644
> --- a/hw/riscv/sifive_u.c
> +++ b/hw/riscv/sifive_u.c
> @@ -244,9 +244,9 @@ static void riscv_sifive_u_init(MachineState *machine)
>      int i;
>  
>      /* Initialize SoC */
> -    object_initialize(&s->soc, sizeof(s->soc), TYPE_RISCV_U_SOC);
> -    object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
> -                              &error_abort);
> +    object_initialize_child(OBJECT(machine), "soc", &s->soc,
> +                            sizeof(s->soc), TYPE_RISCV_U_SOC,
> +                            &error_abort, NULL);
>      object_property_set_bool(OBJECT(&s->soc), true, "realized",
>                              &error_abort);
>  
> @@ -303,16 +303,15 @@ static void riscv_sifive_u_soc_init(Object *obj)
>  {
>      SiFiveUSoCState *s = RISCV_U_SOC(obj);
>  
> -    object_initialize(&s->cpus, sizeof(s->cpus), TYPE_RISCV_HART_ARRAY);
> -    object_property_add_child(obj, "cpus", OBJECT(&s->cpus),
> -                              &error_abort);
> +    object_initialize_child(obj, "cpus", &s->cpus, sizeof(s->cpus),
> +                            TYPE_RISCV_HART_ARRAY, &error_abort, NULL);
>      object_property_set_str(OBJECT(&s->cpus), SIFIVE_U_CPU, "cpu-type",
>                              &error_abort);
>      object_property_set_int(OBJECT(&s->cpus), smp_cpus, "num-harts",
>                              &error_abort);
>  
> -    object_initialize(&s->gem, sizeof(s->gem), TYPE_CADENCE_GEM);
> -    qdev_set_parent_bus(DEVICE(&s->gem), sysbus_get_default());
> +    sysbus_init_child_obj(obj, "gem", &s->gem, sizeof(s->gem),
> +                          TYPE_CADENCE_GEM);
>  }
>  
>  static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp)
>