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| author | Christoph Hellwig <hch@lst.de> | 2021-10-18 12:11:14 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 14:43:22 -0600 |
| commit | 9e48243b6506be0970d04fe2f015b1b3520ef9f3 (patch) | |
| tree | b1f4816df6b4b552f6da149db3e7c2418ffc39a3 | |
| parent | 5816e91e4a14955224ae600dfea460d22588230a (diff) | |
| download | linux-9e48243b6506be0970d04fe2f015b1b3520ef9f3.tar.gz linux-9e48243b6506be0970d04fe2f015b1b3520ef9f3.tar.bz2 linux-9e48243b6506be0970d04fe2f015b1b3520ef9f3.zip | |
fat: use bdev_nr_sectors instead of open coding it
Use the proper helper to read the block device size.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20211018101130.1838532-15-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/fat/inode.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index de0c9b013a85..9f3cd03668ad 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1536,14 +1536,11 @@ static int fat_read_static_bpb(struct super_block *sb, struct fat_bios_param_block *bpb) { static const char *notdos1x = "This doesn't look like a DOS 1.x volume"; - + sector_t bd_sects = bdev_nr_sectors(sb->s_bdev); struct fat_floppy_defaults *fdefaults = NULL; int error = -EINVAL; - sector_t bd_sects; unsigned i; - bd_sects = i_size_read(sb->s_bdev->bd_inode) / SECTOR_SIZE; - /* 16-bit DOS 1.x reliably wrote bootstrap short-jmp code */ if (b->ignored[0] != 0xeb || b->ignored[2] != 0x90) { if (!silent) |