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qom: enforce readonly nature of link's check callback

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link's check callback is supposed to verify/permit setting it,
however currently nothing restricts it from misusing it
and modifying target object from within.
Make sure that readonly semantics are checked by compiler
to prevent callback's misuse.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170714021509.23681-2-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Igor Mammedov 2017-07-14 10:14:50 +08:00 • committed by Paolo Bonzini
parent d40d3da00c
commit 8f5d58ef2c
9 changed files with 16 additions and 14 deletions
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3
include/hw/qdev-properties.h
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@ -272,7 +272,8 @@ void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
* This function should be used as the check() argument to
* object_property_add_link().
*/
void qdev_prop_allow_set_link_before_realize(Object *obj, const char *name,
void qdev_prop_allow_set_link_before_realize(const Object *obj,
const char *name,
Object *val, Error **errp);
#endif