Commit 9e8c4273 authored by vignesh babu's avatar vignesh babu Committed by Linus Torvalds

is_power_of_2: ufs/super.c

Replace (n & (n-1)) with is_power_of_2
Signed-off-by: default avatarvignesh babu <vignesh.babu@wipro.com>
Acked-by: default avatarEvgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e7c310c3
......@@ -87,6 +87,7 @@
#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/vfs.h>
#include <linux/log2.h>
#include "swab.h"
#include "util.h"
......@@ -854,7 +855,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
uspi->s_fmask = fs32_to_cpu(sb, usb1->fs_fmask);
uspi->s_fshift = fs32_to_cpu(sb, usb1->fs_fshift);
if (uspi->s_fsize & (uspi->s_fsize - 1)) {
if (!is_power_of_2(uspi->s_fsize)) {
printk(KERN_ERR "ufs_read_super: fragment size %u is not a power of 2\n",
uspi->s_fsize);
goto failed;
......@@ -869,7 +870,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
uspi->s_fsize);
goto failed;
}
if (uspi->s_bsize & (uspi->s_bsize - 1)) {
if (!is_power_of_2(uspi->s_bsize)) {
printk(KERN_ERR "ufs_read_super: block size %u is not a power of 2\n",
uspi->s_bsize);
goto failed;
......
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