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Commit 3fc74269 authored by vignesh babu's avatar vignesh babu Committed by Linus Torvalds
Browse files

is_power_of_2: ext3/super.c 



Replace (n & (n-1)) in the context of power of 2 checks with is_power_of_2()

Signed-off-by: default avatarvignesh babu <vignesh.babu@wipro.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 681dcd95

fs/ext3/super.c

+2 −1
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#include <linux/namei.h>

#include <linux/quotaops.h>

#include <linux/seq_file.h>

#include <linux/log2.h>



#include <asm/uaccess.h>
@@ -1574,7 +1575,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) 
		sbi->s_inode_size = le16_to_cpu(es->s_inode_size);

		sbi->s_first_ino = le32_to_cpu(es->s_first_ino);

		if ((sbi->s_inode_size < EXT3_GOOD_OLD_INODE_SIZE) ||

		    (sbi->s_inode_size & (sbi->s_inode_size - 1)) ||

		    (!is_power_of_2(sbi->s_inode_size)) ||

		    (sbi->s_inode_size > blocksize)) {

			printk (KERN_ERR

				"EXT3-fs: unsupported inode size: %d\n",