fat: use get/put_unaligned_* helpers

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>

1 files changed, 3 insertions, 5 deletions

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 5f522a55b596..4e0a3dd9d677 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -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);