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Re: [RFC v5 010/126] hw/core/qdev: cleanup Error ** variables
From: |
Marc-André Lureau |
Subject: |
Re: [RFC v5 010/126] hw/core/qdev: cleanup Error ** variables |
Date: |
Sat, 9 Nov 2019 00:55:59 +0400 |
On Fri, Oct 11, 2019 at 8:18 PM Vladimir Sementsov-Ogievskiy
<address@hidden> wrote:
>
> Rename Error ** parameter in check_only_migratable to common errp.
>
> In device_set_realized:
>
> - Move "if (local_err != NULL)" closer to error setters.
>
> - Drop 'Error **local_errp': it doesn't save any LoCs, but it's very
> unusual.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
> hw/core/qdev.c | 28 +++++++++++++---------------
> 1 file changed, 13 insertions(+), 15 deletions(-)
>
> diff --git a/hw/core/qdev.c b/hw/core/qdev.c
> index cbad6c1d55..e3be8cc3c4 100644
> --- a/hw/core/qdev.c
> +++ b/hw/core/qdev.c
> @@ -796,12 +796,12 @@ static bool device_get_realized(Object *obj, Error
> **errp)
> return dev->realized;
> }
>
> -static bool check_only_migratable(Object *obj, Error **err)
> +static bool check_only_migratable(Object *obj, Error **errp)
> {
> DeviceClass *dc = DEVICE_GET_CLASS(obj);
>
> if (!vmstate_check_only_migratable(dc->vmsd)) {
> - error_setg(err, "Device %s is not migratable, but "
> + error_setg(errp, "Device %s is not migratable, but "
> "--only-migratable was specified",
> object_get_typename(obj));
> return false;
> @@ -850,10 +850,9 @@ static void device_set_realized(Object *obj, bool value,
> Error **errp)
>
> if (dc->realize) {
> dc->realize(dev, &local_err);
> - }
> -
> - if (local_err != NULL) {
> - goto fail;
> + if (local_err != NULL) {
> + goto fail;
> + }
> }
>
> DEVICE_LISTENER_CALL(realize, Forward, dev);
> @@ -894,27 +893,26 @@ static void device_set_realized(Object *obj, bool
> value, Error **errp)
> }
>
> } else if (!value && dev->realized) {
> - Error **local_errp = NULL;
> + /* We want to catch in local_err only first error */
> QLIST_FOREACH(bus, &dev->child_bus, sibling) {
> - local_errp = local_err ? NULL : &local_err;
> object_property_set_bool(OBJECT(bus), false, "realized",
> - local_errp);
> + local_err ? NULL : &local_err);
> }
> if (qdev_get_vmsd(dev)) {
> vmstate_unregister(dev, qdev_get_vmsd(dev), dev);
> }
> if (dc->unrealize) {
> - local_errp = local_err ? NULL : &local_err;
> - dc->unrealize(dev, local_errp);
> + dc->unrealize(dev, local_err ? NULL : &local_err);
> }
> dev->pending_deleted_event = true;
> DEVICE_LISTENER_CALL(unrealize, Reverse, dev);
> - }
>
> - if (local_err != NULL) {
> - goto fail;
> + if (local_err != NULL) {
> + goto fail;
> + }
> }
>
> + assert(local_err == NULL);
> dev->realized = value;
> return;
>
> @@ -952,7 +950,7 @@ static bool device_get_hotpluggable(Object *obj, Error
> **errp)
> qbus_is_hotpluggable(dev->parent_bus));
> }
>
> -static bool device_get_hotplugged(Object *obj, Error **err)
> +static bool device_get_hotplugged(Object *obj, Error **errp)
> {
> DeviceState *dev = DEVICE(obj);
>
> --
> 2.21.0
>
>
Reviewed-by: Marc-André Lureau <address@hidden>
--
Marc-André Lureau
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