[Qemu-devel] [PATCH] qmp: return err msg when powerdown a vm when it isn't in running state

[Qinghua Jin <qhjin_dev@163.com>]

When send system_powerdown to QMP when the vm isn't in RUN_STATE_RUNNING,
it will be ignored by system. So reply a err msg with the situation.

Signed-off-by: Qinghua Jin <qhjin_dev@163.com>
---
 qmp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/qmp.c b/qmp.c
index 0a1fa19..8e43435 100644
--- a/qmp.c
+++ b/qmp.c
@@ -114,8 +114,12 @@ void qmp_system_reset(Error **errp)
     qemu_system_reset_request();
 }
 
-void qmp_system_powerdown(Error **erp)
+void qmp_system_powerdown(Error **errp)
 {
+    if (!runstate_is_running()) {
+        error_setg(errp, "Can't powerdown the Virtual Machine when it isn't running");
+        return;
+    }
     qemu_system_powerdown_request();
 }
 
-- 
2.5.0