Re: [Qemu-devel] [PATCH 07/19] dev-storage: convert init to realize

[Paolo Bonzini <pbonzini@redhat.com>]

Il 18/09/2014 11:32, arei.gonglei@huawei.com ha scritto:
> From: Gonglei <arei.gonglei@huawei.com>
> 
> In this way, all the implementations now use
> error_setg instead of error_report for reporting error.
> 
> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
> ---
>  hw/usb/dev-storage.c | 21 ++++++++-------------
>  1 file changed, 8 insertions(+), 13 deletions(-)
> 
> diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
> index a9f31f0..6dc5f47 100644
> --- a/hw/usb/dev-storage.c
> +++ b/hw/usb/dev-storage.c
> @@ -595,7 +595,7 @@ static const struct SCSIBusInfo usb_msd_scsi_info_bot = {
>      .load_request = usb_msd_load_request,
>  };
>  
> -static int usb_msd_initfn_storage(USBDevice *dev)
> +static void usb_msd_realize_storage(USBDevice *dev, Error **errp)
>  {
>      MSDState *s = DO_UPCAST(MSDState, dev, dev);
>      BlockDriverState *bs = s->conf.bs;
> @@ -603,8 +603,8 @@ static int usb_msd_initfn_storage(USBDevice *dev)
>      Error *err = NULL;
>  
>      if (!bs) {
> -        error_report("drive property not set");
> -        return -1;
> +        error_setg(errp, "drive property not set");
> +        return;
>      }
>  
>      blkconf_serial(&s->conf, &dev->serial);
> @@ -629,9 +629,8 @@ static int usb_msd_initfn_storage(USBDevice *dev)
>                                           s->conf.bootindex, dev->serial,
>                                           &err);
>      if (!scsi_dev) {
> -        error_report("%s", error_get_pretty(err));
> -        error_free(err);
> -        return -1;
> +        error_propagate(errp, err);
> +        return;
>      }
>      s->bus.qbus.allow_hotplug = 0;
>      usb_msd_handle_reset(dev);
> @@ -644,11 +643,9 @@ static int usb_msd_initfn_storage(USBDevice *dev)
>              autostart = 0;
>          }
>      }
> -
> -    return 0;
>  }
>  
> -static int usb_msd_initfn_bot(USBDevice *dev)
> +static void usb_msd_realize_bot(USBDevice *dev, Error **errp)
>  {
>      MSDState *s = DO_UPCAST(MSDState, dev, dev);
>  
> @@ -658,8 +655,6 @@ static int usb_msd_initfn_bot(USBDevice *dev)
>                   &usb_msd_scsi_info_bot, NULL);
>      s->bus.qbus.allow_hotplug = 0;
>      usb_msd_handle_reset(dev);
> -
> -    return 0;
>  }
>  
>  static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
> @@ -765,7 +760,7 @@ static void usb_msd_class_initfn_storage(ObjectClass *klass, void *data)
>      DeviceClass *dc = DEVICE_CLASS(klass);
>      USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
>  
> -    uc->init = usb_msd_initfn_storage;
> +    uc->realize = usb_msd_realize_storage;
>      dc->props = msd_properties;
>      usb_msd_class_initfn_common(klass);
>  }
> @@ -774,7 +769,7 @@ static void usb_msd_class_initfn_bot(ObjectClass *klass, void *data)
>  {
>      USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
>  
> -    uc->init = usb_msd_initfn_bot;
> +    uc->realize = usb_msd_realize_bot;
>      usb_msd_class_initfn_common(klass);
>  }
>  
> 

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>