Merge tag 'io_uring-5.10-2020-11-13' of git://git.kernel.dk/linux-block

Pull io_uring fix from Jens Axboe:
 "A single fix in here, for a missed rounding case at setup time, which
  caused an otherwise legitimate setup case to return -EINVAL if used
  with unaligned ring size values"

* tag 'io_uring-5.10-2020-11-13' of git://git.kernel.dk/linux-block:
  io_uring: round-up cq size before comparing with rounded sq size

fs/io_uring.c

@@ -9226,6 +9226,7 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p,
 		 * to a power-of-two, if it isn't already. We do NOT impose
 		 * any cq vs sq ring sizing.
 		 */
+		p->cq_entries = roundup_pow_of_two(p->cq_entries);
 		if (p->cq_entries < p->sq_entries)
 			return -EINVAL;
 		if (p->cq_entries > IORING_MAX_CQ_ENTRIES) {
@@ -9233,7 +9234,6 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p,
 				return -EINVAL;
 			p->cq_entries = IORING_MAX_CQ_ENTRIES;
 		}
-		p->cq_entries = roundup_pow_of_two(p->cq_entries);
 	} else {
 		p->cq_entries = 2 * p->sq_entries;
 	}