diff mbox series

[14/30] fat: use bdev_nr_sectors instead of open coding it

Message ID 20211018101130.1838532-15-hch@lst.de (mailing list archive)
State Not Applicable
Headers show
Series [01/30] block: move the SECTOR_SIZE related definitions to blk_types.h | expand

Commit Message

Christoph Hellwig Oct. 18, 2021, 10:11 a.m. UTC 
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>
---
 fs/fat/inode.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index de0c9b013a851..9f3cd03668adc 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)