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authorAndreas Färber <afaerber@suse.de>2013-08-30 18:28:37 +0200
committerAndreas Färber <afaerber@suse.de>2013-08-30 21:15:44 +0200
commit5b9237f67c499fa4e20bb9bd29c7ce54afe79cb7 (patch)
tree75051804a1fb76cee27d23e437ad49a30228323c /include/qom/object.h
parent213f0c4f619dda7a56612353009e6f30d3348206 (diff)
downloadfocaccia-qemu-5b9237f67c499fa4e20bb9bd29c7ce54afe79cb7.tar.gz
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qom: Assert instance size in object_initialize_with_type()
This catches objects initializing beyond allocated memory, e.g.,
when subtypes get extended with instance state of their own.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'include/qom/object.h')
-rw-r--r--include/qom/object.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/qom/object.h b/include/qom/object.h
index 13847fb85b..1a7b71aba5 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -586,13 +586,14 @@ Object *object_new_with_type(Type type);
 /**
  * object_initialize_with_type:
  * @data: A pointer to the memory to be used for the object.
+ * @size: The maximum size available at @data for the object.
  * @type: The type of the object to instantiate.
  *
  * This function will initialize an object.  The memory for the object should
  * have already been allocated.  The returned object has a reference count of 1,
  * and will be finalized when the last reference is dropped.
  */
-void object_initialize_with_type(void *data, Type type);
+void object_initialize_with_type(void *data, size_t size, Type type);
 
 /**
  * object_initialize: