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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-07-12 12:34:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-07-12 12:34:42 +0200 |
| commit | f2006e27396f55276f24434f56e208d86e7f9908 (patch) | |
| tree | 71896db916d33888b4286f80117d3cac0da40e6d /fs/fat/inode.c | |
| parent | e399eb56a6110e13f97e644658648602e2b08de7 (diff) | |
| parent | 9903883f1dd6e86f286b7bfa6e4b423f98c1cd9e (diff) | |
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/fat/inode.c')
| -rw-r--r-- | fs/fat/inode.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 5d4513cb1b3..11b51bb55b4 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1415,6 +1415,18 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, brelse(fsinfo_bh); } + /* interpret volume ID as a little endian 32 bit integer */ + if (sbi->fat_bits == 32) + sbi->vol_id = (((u32)b->fat32.vol_id[0]) | + ((u32)b->fat32.vol_id[1] << 8) | + ((u32)b->fat32.vol_id[2] << 16) | + ((u32)b->fat32.vol_id[3] << 24)); + else /* fat 16 or 12 */ + sbi->vol_id = (((u32)b->fat16.vol_id[0]) | + ((u32)b->fat16.vol_id[1] << 8) | + ((u32)b->fat16.vol_id[2] << 16) | + ((u32)b->fat16.vol_id[3] << 24)); + sbi->dir_per_block = sb->s_blocksize / sizeof(struct msdos_dir_entry); sbi->dir_per_block_bits = ffs(sbi->dir_per_block) - 1; |