From: Liu Ping Fan <pingfank@xxxxxxxxxxxxxxxxxx>
iohandler/bh/timer may use DeviceState when its refcnt=0,
postpone the reclaimer till they have done with it.
Signed-off-by: Liu Ping Fan <pingfank@xxxxxxxxxxxxxxxxxx>
---
qom/object.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/qom/object.c b/qom/object.c
index 822bdb7..1452b1b 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -23,6 +23,8 @@
#include "qbool.h"
#include "qint.h"
#include "qstring.h"
+#include "hw/qdev.h"
+#include "qemu/reclaimer.h"
#define MAX_INTERFACES 32
@@ -646,7 +648,12 @@ void object_unref(Object *obj)
{
g_assert(atomic_read(&obj->ref) > 0);
if (atomic_dec_and_test(&obj->ref)) {
- object_finalize(obj);
+ /* fixme, maybe introduce obj->finalze to make this more elegant */
+ if (object_dynamic_cast(obj, TYPE_DEVICE) != NULL) {
+ qemu_reclaimer_enqueue(obj, object_finalize);
+ } else {
+ object_finalize(obj);
+ }
}
}
--
1.7.4.4
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