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: vignesh babu <vignesh.babu@wipro.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -35,6 +35,7 @@
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#include <linux/namei.h>
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#include <linux/quotaops.h>
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#include <linux/seq_file.h>
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#include <linux/log2.h>
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#include <asm/uaccess.h>
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@ -1574,7 +1575,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
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sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
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sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
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if ((sbi->s_inode_size < EXT3_GOOD_OLD_INODE_SIZE) ||
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(sbi->s_inode_size & (sbi->s_inode_size - 1)) ||
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(!is_power_of_2(sbi->s_inode_size)) ||
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(sbi->s_inode_size > blocksize)) {
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printk (KERN_ERR
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"EXT3-fs: unsupported inode size: %d\n",
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