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[Qemu-devel] [PATCH 08/26] vmstate: add sensible arguments to vmstate_un

Subject: [Qemu-devel] [PATCH 08/26] vmstate: add sensible arguments to vmstate_unregister()
From: Juan Quintela
Date: Thu, 10 Sep 2009 03:04:29 +0200
vmsd alone is not enugh, because we can have several structs saved with the 
same description (vmsd).

Signed-off-by: Juan Quintela <quintela@xxxxxxxxxx>
---
 hw/hw.h  |    2 +-
 savevm.c |   11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/hw/hw.h b/hw/hw.h
index a0cb94e..c703975 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -509,5 +509,5 @@ extern void vmstate_save_state(QEMUFile *f, const 
VMStateDescription *vmsd,
                                const void *opaque);
 extern int vmstate_register(int instance_id, const VMStateDescription *vmsd,
                             void *base);
-extern void vmstate_unregister(const char *idstr, void *opaque);
+void vmstate_unregister(const VMStateDescription *vmsd, void *opaque);
 #endif
diff --git a/savevm.c b/savevm.c
index 0dcab79..7b0989f 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1002,9 +1002,16 @@ int vmstate_register(int instance_id, const 
VMStateDescription *vmsd,
     return 0;
 }

-void vmstate_unregister(const char *idstr,  void *opaque)
+void vmstate_unregister(const VMStateDescription *vmsd, void *opaque)
 {
-    unregister_savevm(idstr, opaque);
+    SaveStateEntry *se, *new_se;
+
+    TAILQ_FOREACH_SAFE(se, &savevm_handlers, entry, new_se) {
+        if (se->vmsd == vmsd && se->opaque == opaque) {
+            TAILQ_REMOVE(&savevm_handlers, se, entry);
+            qemu_free(se);
+        }
+    }
 }

 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
-- 
1.6.2.5



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