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[02/10] qdev-monitor: Factor out find_device_state()

Message ID 1471625435-6190-3-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf Aug. 19, 2016, 4:50 p.m. UTC
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 qdev-monitor.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)
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Patch

diff --git a/qdev-monitor.c b/qdev-monitor.c
index e19617f..bc0213f 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -801,7 +801,7 @@  void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp)
     object_unref(OBJECT(dev));
 }
 
-void qmp_device_del(const char *id, Error **errp)
+static DeviceState *find_device_state(const char *id, Error **errp)
 {
     Object *obj;
 
@@ -819,15 +819,23 @@  void qmp_device_del(const char *id, Error **errp)
     if (!obj) {
         error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
                   "Device '%s' not found", id);
-        return;
+        return NULL;
     }
 
     if (!object_dynamic_cast(obj, TYPE_DEVICE)) {
         error_setg(errp, "%s is not a hotpluggable device", id);
-        return;
+        return NULL;
     }
 
-    qdev_unplug(DEVICE(obj), errp);
+    return DEVICE(obj);
+}
+
+void qmp_device_del(const char *id, Error **errp)
+{
+    DeviceState *dev = find_device_state(id, errp);
+    if (dev != NULL) {
+        qdev_unplug(dev, errp);
+    }
 }
 
 void qdev_machine_init(void)