Re: [Qemu-devel] [PATCH v3 2/3] error: Remove unnecessary local_err variables

[Markus Armbruster <armbru@redhat.com>]

Eduardo Habkost <ehabkost@redhat.com> writes:

> This patch simplifies code that uses a local_err variable just to
> immediately use it for an error_propagate() call.
>
> Coccinelle patch used to perform the changes added to
> scripts/coccinelle/remove_local_err.cocci.
>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
[...]
> diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
> index 95ff5e3..b7112d0 100644
> --- a/hw/s390x/s390-virtio-ccw.c
> +++ b/hw/s390x/s390-virtio-ccw.c
> @@ -180,10 +180,7 @@ static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
>  static void s390_hot_add_cpu(const int64_t id, Error **errp)
>  {
>      MachineState *machine = MACHINE(qdev_get_machine());
> -    Error *err = NULL;
> -

I'd prefer to keep this blank line.  Can touch up on commit to error-next.

> -    s390x_new_cpu(machine->cpu_model, id, &err);
> -    error_propagate(errp, err);
> +    s390x_new_cpu(machine->cpu_model, id, errp);
>  }
>  
[...]