Use is_power_of_2().
Signed-off-by: Jan Blunck <jblunck@xxxxxxx>
---
drivers/md/dm-snap.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -391,8 +391,7 @@ static int set_chunk_size(struct dm_snap
*/
chunk_size = roundup(chunk_size, PAGE_SIZE >> 9);
- /* Check chunk_size is a power of 2 */
- if (chunk_size & (chunk_size - 1)) {
+ if (!is_power_of_2(chunk_size)) {
*error = "Chunk size is not a power of 2";
return -EINVAL;
}
--
--
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