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Commit 0ba459d2 authored by Andre Noll's avatar Andre Noll Committed by NeilBrown
Browse files

md/raid5: Use is_power_of_2() in raid5_reconfig()/raid6_reconfig(). 



Signed-off-by: default avatarAndre Noll <maan@systemlinux.org>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 09c9e5fa

drivers/md/raid5.c

+2 −4
Original line number Diff line number Diff line
@@ -5167,8 +5167,7 @@ static int raid5_reconfig(mddev_t *mddev, int new_layout, int new_chunk) 
	if (new_layout >= 0 && !algorithm_valid_raid5(new_layout))

		return -EINVAL;

	if (new_chunk > 0) {

		if (new_chunk & (new_chunk-1))

			/* not a power of 2 */

		if (!is_power_of_2(new_chunk))

			return -EINVAL;

		if (new_chunk < PAGE_SIZE)

			return -EINVAL;
@@ -5206,8 +5205,7 @@ static int raid6_reconfig(mddev_t *mddev, int new_layout, int new_chunk) 
	if (new_layout >= 0 && !algorithm_valid_raid6(new_layout))

		return -EINVAL;

	if (new_chunk > 0) {

		if (new_chunk & (new_chunk-1))

			/* not a power of 2 */

		if (!is_power_of_2(new_chunk))

			return -EINVAL;

		if (new_chunk < PAGE_SIZE)

			return -EINVAL;