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Mon, 22 Jun 2015 15:04:56 -0400 From: Markus Armbruster Date: Mon, 22 Jun 2015 21:04:38 +0200 Message-Id: <1434999889-849-14-git-send-email-armbru@redhat.com> In-Reply-To: <1434999889-849-1-git-send-email-armbru@redhat.com> References: <1434999889-849-1-git-send-email-armbru@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 13/24] qdev-monitor: Propagate errors through qdev_device_add() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Also polish an error message while I'm touching the line anyway, Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Reviewed-by: Andreas F=C3=A4rber --- include/monitor/qdev.h | 2 +- qdev-monitor.c | 36 +++++++++++++++--------------------- vl.c | 7 +++++-- 3 files changed, 21 insertions(+), 24 deletions(-) diff --git a/include/monitor/qdev.h b/include/monitor/qdev.h index 7190752..2ce8578 100644 --- a/include/monitor/qdev.h +++ b/include/monitor/qdev.h @@ -11,6 +11,6 @@ void hmp_info_qdm(Monitor *mon, const QDict *qdict); void hmp_info_qom_tree(Monitor *mon, const QDict *dict); int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data); int qdev_device_help(QemuOpts *opts); -DeviceState *qdev_device_add(QemuOpts *opts); +DeviceState *qdev_device_add(QemuOpts *opts, Error **errp); =20 #endif diff --git a/qdev-monitor.c b/qdev-monitor.c index c7b00e0..f6ceea7 100644 --- a/qdev-monitor.c +++ b/qdev-monitor.c @@ -516,7 +516,7 @@ static BusState *qbus_find(const char *path, Error **= errp) return bus; } =20 -DeviceState *qdev_device_add(QemuOpts *opts) +DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) { DeviceClass *dc; const char *driver, *path, *id; @@ -526,44 +526,38 @@ DeviceState *qdev_device_add(QemuOpts *opts) =20 driver =3D qemu_opt_get(opts, "driver"); if (!driver) { - qerror_report(QERR_MISSING_PARAMETER, "driver"); + error_set(errp, QERR_MISSING_PARAMETER, "driver"); return NULL; } =20 /* find driver */ - dc =3D qdev_get_device_class(&driver, &err); - if (err) { - qerror_report_err(err); - error_free(err); + dc =3D qdev_get_device_class(&driver, errp); + if (!dc) { return NULL; } =20 /* find bus */ path =3D qemu_opt_get(opts, "bus"); if (path !=3D NULL) { - bus =3D qbus_find(path, &err); + bus =3D qbus_find(path, errp); if (!bus) { - qerror_report_err(err); - error_free(err); return NULL; } if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { - qerror_report(ERROR_CLASS_GENERIC_ERROR, - "Device '%s' can't go on a %s bus", - driver, object_get_typename(OBJECT(bus))); + error_setg(errp, "Device '%s' can't go on %s bus", + driver, object_get_typename(OBJECT(bus))); return NULL; } } else if (dc->bus_type !=3D NULL) { bus =3D qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_= type); if (!bus || qbus_is_full(bus)) { - qerror_report(ERROR_CLASS_GENERIC_ERROR, - "No '%s' bus found for device '%s'", - dc->bus_type, driver); + error_setg(errp, "No '%s' bus found for device '%s'", + dc->bus_type, driver); return NULL; } } if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) { - qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); + error_set(errp, QERR_BUS_NO_HOTPLUG, bus->name); return NULL; } =20 @@ -592,7 +586,7 @@ DeviceState *qdev_device_add(QemuOpts *opts) =20 /* set properties */ if (qemu_opt_foreach(opts, set_property, dev, &err)) { - qerror_report_err(err); + error_propagate(errp, err); object_unparent(OBJECT(dev)); object_unref(OBJECT(dev)); return NULL; @@ -601,12 +595,10 @@ DeviceState *qdev_device_add(QemuOpts *opts) dev->opts =3D opts; object_property_set_bool(OBJECT(dev), true, "realized", &err); if (err !=3D NULL) { - qerror_report_err(err); - error_free(err); + error_propagate(errp, err); dev->opts =3D NULL; object_unparent(OBJECT(dev)); object_unref(OBJECT(dev)); - qerror_report(QERR_DEVICE_INIT_FAILED, driver); return NULL; } return dev; @@ -779,8 +771,10 @@ int do_device_add(Monitor *mon, const QDict *qdict, = QObject **ret_data) qemu_opts_del(opts); return 0; } - dev =3D qdev_device_add(opts); + dev =3D qdev_device_add(opts, &local_err); if (!dev) { + qerror_report_err(local_err); + error_free(local_err); qemu_opts_del(opts); return -1; } diff --git a/vl.c b/vl.c index 0c2208f..fd6a5c2 100644 --- a/vl.c +++ b/vl.c @@ -2276,11 +2276,14 @@ static int device_help_func(void *opaque, QemuOpt= s *opts, Error **errp) =20 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) { + Error *err =3D NULL; DeviceState *dev; =20 - dev =3D qdev_device_add(opts); - if (!dev) + dev =3D qdev_device_add(opts, &err); + if (!dev) { + error_report_err(err); return -1; + } object_unref(OBJECT(dev)); return 0; } --=20 1.9.3