A '!' snuck in before the unlikely, rendering it useless.
Reported-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
         * granularity
         */
        max_discard_sectors = min(q->limits.max_discard_sectors, UINT_MAX >> 9);
-       if (!unlikely(!max_discard_sectors)) {
+       if (unlikely(!max_discard_sectors)) {
                /* Avoid infinite loop below. Being cautious never hurts. */
                return -EOPNOTSUPP;
        } else if (q->limits.discard_granularity) {