Re: [PATCH 07/14] spapr/xive: Rework error handling in kvmppc_xive_get_queues()

[David Gibson]

On Mon, Aug 10, 2020 at 06:54:40PM +0200, Greg Kurz wrote:
> Since kvmppc_xive_get_queue_config() has a return value, convert
> kvmppc_xive_get_queues() to use it for error checking. This allows
> to get rid of the local_err boiler plate.
> 
> Propagate the return value so that callers may use it as well to check
> failures.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>

Applied to ppc-for-5.2.

> ---
>  hw/intc/spapr_xive_kvm.c |   15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/hw/intc/spapr_xive_kvm.c b/hw/intc/spapr_xive_kvm.c
> index 696623f717b7..4142aaffff47 100644
> --- a/hw/intc/spapr_xive_kvm.c
> +++ b/hw/intc/spapr_xive_kvm.c
> @@ -467,23 +467,24 @@ void kvmppc_xive_reset(SpaprXive *xive, Error **errp)
>                        NULL, true, errp);
>  }
>  
> -static void kvmppc_xive_get_queues(SpaprXive *xive, Error **errp)
> +static int kvmppc_xive_get_queues(SpaprXive *xive, Error **errp)
>  {
> -    Error *local_err = NULL;
>      int i;
> +    int ret;
>  
>      for (i = 0; i < xive->nr_ends; i++) {
>          if (!xive_end_is_valid(&xive->endt[i])) {
>              continue;
>          }
>  
> -        kvmppc_xive_get_queue_config(xive, SPAPR_XIVE_BLOCK_ID, i,
> -                                     &xive->endt[i], &local_err);
> -        if (local_err) {
> -            error_propagate(errp, local_err);
> -            return;
> +        ret = kvmppc_xive_get_queue_config(xive, SPAPR_XIVE_BLOCK_ID, i,
> +                                           &xive->endt[i], errp);
> +        if (ret < 0) {
> +            return ret;
>          }
>      }
> +
> +    return 0;
>  }
>  
>  /*
> 
> 

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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