diff options
Diffstat (limited to 'fs/fat')
| -rw-r--r-- | fs/fat/fat.h | 9 | ||||
| -rw-r--r-- | fs/fat/inode.c | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/fs/fat/fat.h b/fs/fat/fat.h index 4e1b2f6df5e6..979bb11832f6 100644 --- a/fs/fat/fat.h +++ b/fs/fat/fat.h @@ -142,6 +142,15 @@ static inline struct msdos_sb_info *MSDOS_SB(struct super_block *sb) return sb->s_fs_info; } +/* Maximum number of clusters */ +static inline u32 max_fat(struct super_block *sb) +{ + struct msdos_sb_info *sbi = MSDOS_SB(sb); + + return sbi->fat_bits == 32 ? MAX_FAT32 : + sbi->fat_bits == 16 ? MAX_FAT16 : MAX_FAT12; +} + static inline struct msdos_inode_info *MSDOS_I(struct inode *inode) { return container_of(inode, struct msdos_inode_info, vfs_inode); diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 269e7b91b8b1..8d0de1aac4eb 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1781,7 +1781,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, /* check that FAT table does not overflow */ fat_clusters = calc_fat_clusters(sb); total_clusters = min(total_clusters, fat_clusters - FAT_START_ENT); - if (total_clusters > MAX_FAT(sb)) { + if (total_clusters > max_fat(sb)) { if (!silent) fat_msg(sb, KERN_ERR, "count of clusters too big (%u)", total_clusters); |