1 files changed, 14 insertions, 25 deletions

diff --git a/qdev-monitor.c b/qdev-monitor.c
index 648b8ac4fa..71ebce19df 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -179,16 +179,13 @@ static int set_property(void *opaque, const char *name, const char *value,
                         Error **errp)
 {
     Object *obj = opaque;
-    Error *err = NULL;
 
     if (strcmp(name, "driver") == 0)
         return 0;
     if (strcmp(name, "bus") == 0)
         return 0;
 
-    object_property_parse(obj, value, name, &err);
-    if (err != NULL) {
-        error_propagate(errp, err);
+    if (!object_property_parse(obj, name, value, errp)) {
         return -1;
     }
     return 0;
@@ -603,7 +600,6 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
     const char *driver, *path;
     DeviceState *dev = NULL;
     BusState *bus = NULL;
-    Error *err = NULL;
     bool hide;
 
     driver = qemu_opt_get(opts, "driver");
@@ -658,15 +654,13 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
     dev = qdev_new(driver);
 
     /* Check whether the hotplug is allowed by the machine */
-    if (qdev_hotplug && !qdev_hotplug_allowed(dev, &err)) {
-        /* Error must be set in the machine hook */
-        assert(err);
+    if (qdev_hotplug && !qdev_hotplug_allowed(dev, errp)) {
         goto err_del_dev;
     }
 
     if (!bus && qdev_hotplug && !qdev_get_machine_hotplug_handler(dev)) {
         /* No bus, no machine hotplug handler --> device is not hotpluggable */
-        error_setg(&err, "Device '%s' can not be hotplugged on this machine",
+        error_setg(errp, "Device '%s' can not be hotplugged on this machine",
                    driver);
         goto err_del_dev;
     }
@@ -674,20 +668,18 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
     qdev_set_id(dev, qemu_opts_id(opts));
 
     /* set properties */
-    if (qemu_opt_foreach(opts, set_property, dev, &err)) {
+    if (qemu_opt_foreach(opts, set_property, dev, errp)) {
         goto err_del_dev;
     }
 
     dev->opts = opts;
-    qdev_realize(DEVICE(dev), bus, &err);
-    if (err != NULL) {
+    if (!qdev_realize(DEVICE(dev), bus, errp)) {
         dev->opts = NULL;
         goto err_del_dev;
     }
     return dev;
 
 err_del_dev:
-    error_propagate(errp, err);
     if (dev) {
         object_unparent(OBJECT(dev));
         object_unref(OBJECT(dev));
@@ -705,22 +697,22 @@ static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props,
     if (!props)
         return;
     for (; props->name; props++) {
-        Error *err = NULL;
         char *value;
         char *legacy_name = g_strdup_printf("legacy-%s", props->name);
+
         if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) {
-            value = object_property_get_str(OBJECT(dev), legacy_name, &err);
+            value = object_property_get_str(OBJECT(dev), legacy_name, NULL);
         } else {
-            value = object_property_print(OBJECT(dev), props->name, true, &err);
+            value = object_property_print(OBJECT(dev), props->name, true,
+                                          NULL);
         }
         g_free(legacy_name);
 
-        if (err) {
-            error_free(err);
+        if (!value) {
             continue;
         }
         qdev_printf("%s = %s\n", props->name,
-                    value && *value ? value : "<null>");
+                    *value ? value : "<null>");
         g_free(value);
     }
 }
@@ -799,22 +791,19 @@ void hmp_info_qdm(Monitor *mon, const QDict *qdict)
 
 void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp)
 {
-    Error *local_err = NULL;
     QemuOpts *opts;
     DeviceState *dev;
 
-    opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
+    opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, errp);
+    if (!opts) {
         return;
     }
     if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
         qemu_opts_del(opts);
         return;
     }
-    dev = qdev_device_add(opts, &local_err);
+    dev = qdev_device_add(opts, errp);
     if (!dev) {
-        error_propagate(errp, local_err);
         qemu_opts_del(opts);
         return;
     }