tree 6d3f53dde07032ba978b4d05d59edc7a1e6e7bbe
parent c28322d10cd5f0529605b48684d2b82c9eb9c020
author Peter Crosthwaite <peter.crosthwaite@xilinx.com> 1402035216 -0700
committer Paolo Bonzini <pbonzini@redhat.com> 1404202841 +0200

qom: object: Ignore refs/unrefs of NULL

Just do nothing if passed NULL for a ref or unref. This avoids
call sites that manage a combination of NULL or non-NULL pointers
having to add iffery around every ref and unref.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>