tree 7aa34e23a97db23c79cb369519cecd309e2fc964
parent 79c0f397feaea37992500eafd933e301c2306410
author Paolo Bonzini <pbonzini@redhat.com> 1485531612 +0100
committer Michael S. Tsirkin <mst@redhat.com> 1487361150 +0200

memory: make memory_listener_unregister idempotent

Make it easy to unregister a MemoryListener without tracking whether it
had been registered before.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>