Re: [PATCH 5/7] vfio/ccw: Use the 'Error **errp' argument of vfio_ccw_realize()

[Anthony Krowiak <akrowiak@linux.ibm.com>]

On 5/22/24 1:01 PM, Cédric Le Goater wrote:
> The local error variable is kept for vfio_ccw_register_irq_notifier()
> because it is not considered as a failing condition. We will change
> how error reporting is done in following changes.
>
> Remove the error_propagate() call.
>
> Cc: Zhenzhong Duan <zhenzhong.duan@intel.com>
> Signed-off-by: Cédric Le Goater <clg@redhat.com>


Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>


> ---
>   hw/vfio/ccw.c | 12 +++++-------
>   1 file changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
> index 9a8e052711fe2f7c067c52808b2af30d0ebfee0c..a468fa2342b97e0ee36bd5fb8443025cc90a0453 100644
> --- a/hw/vfio/ccw.c
> +++ b/hw/vfio/ccw.c
> @@ -582,8 +582,8 @@ static void vfio_ccw_realize(DeviceState *dev, Error **errp)
>   
>       /* Call the class init function for subchannel. */
>       if (cdc->realize) {
> -        if (!cdc->realize(cdev, vcdev->vdev.sysfsdev, &err)) {
> -            goto out_err_propagate;
> +        if (!cdc->realize(cdev, vcdev->vdev.sysfsdev, errp)) {
> +            return;
>           }
>       }
>   
> @@ -596,17 +596,17 @@ static void vfio_ccw_realize(DeviceState *dev, Error **errp)
>           goto out_attach_dev_err;
>       }
>   
> -    if (!vfio_ccw_get_region(vcdev, &err)) {
> +    if (!vfio_ccw_get_region(vcdev, errp)) {
>           goto out_region_err;
>       }
>   
> -    if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_IO_IRQ_INDEX, &err)) {
> +    if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_IO_IRQ_INDEX, errp)) {
>           goto out_io_notifier_err;
>       }
>   
>       if (vcdev->crw_region) {
>           if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_CRW_IRQ_INDEX,
> -                                            &err)) {
> +                                            errp)) {
>               goto out_irq_notifier_err;
>           }
>       }
> @@ -634,8 +634,6 @@ out_attach_dev_err:
>       if (cdc->unrealize) {
>           cdc->unrealize(cdev);
>       }
> -out_err_propagate:
> -    error_propagate(errp, err);
>   }
>   
>   static void vfio_ccw_unrealize(DeviceState *dev)