
Allow commands having a NULL cmd pointer, add a function to set the pointer later. Use case: allow modules implement hmp commands. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-31-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>