When requesting the list of exports, no data should be sent. If data is
sent, the NBD server should not just inform the client of the invalid
request, but also drop the data.
Signed-off-by: NMax Reitz <mreitz@redhat.com>
Message-Id: <1424887718-10800-22-git-send-email-mreitz@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>