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fat: use get/put_unaligned_* helpers

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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Harvey Harrison 2008-04-29 01:03:43 -07:00 committed by Linus Torvalds
parent d15c0a4dc4
commit 803f445f17
1 changed files with 3 additions and 5 deletions
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8
fs/fat/inode.c
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@ -1222,8 +1222,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
brelse(bh);
goto out_invalid;
}
logical_sector_size =
le16_to_cpu(get_unaligned((__le16 *)&b->sector_size));
logical_sector_size = get_unaligned_le16(&b->sector_size);
if (!is_power_of_2(logical_sector_size)
|| (logical_sector_size < 512)
|| (logical_sector_size > 4096)) {
@ -1322,8 +1321,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
sbi->dir_per_block_bits = ffs(sbi->dir_per_block) - 1;
sbi->dir_start = sbi->fat_start + sbi->fats * sbi->fat_length;
sbi->dir_entries =
le16_to_cpu(get_unaligned((__le16 *)&b->dir_entries));
sbi->dir_entries = get_unaligned_le16(&b->dir_entries);
if (sbi->dir_entries & (sbi->dir_per_block - 1)) {
if (!silent)
printk(KERN_ERR "FAT: bogus directroy-entries per block"
@ -1335,7 +1333,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
rootdir_sectors = sbi->dir_entries
* sizeof(struct msdos_dir_entry) / sb->s_blocksize;
sbi->data_start = sbi->dir_start + rootdir_sectors;
total_sectors = le16_to_cpu(get_unaligned((__le16 *)&b->sectors));
total_sectors = get_unaligned_le16(&b->sectors);
if (total_sectors == 0)
total_sectors = le32_to_cpu(b->total_sect);