In the old implementation, if the new value of the property links
to the same object, as the old value, that object is first unref-ed,
and then ref-ed. This leads to unintended deinitialization of that object.
In the new implementation, this is fixed.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Barabash <alexander_barabash@mentor.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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