From: Christoph Hellwig <hch@lst.de>
Date: Mon, 18 Oct 2021 10:11:15 +0000 (+0200)
Subject: hfs: use bdev_nr_sectors instead of open coding it
X-Git-Tag: for-5.16/bdev-size-2021-10-29~19
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=beffd16e683eb9a600f249f9e34673ada1879f8b;p=linux-block.git

hfs: 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/20211018101130.1838532-16-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c
index cdf0edeeb278..5beb82652435 100644
--- a/fs/hfs/mdb.c
+++ b/fs/hfs/mdb.c
@@ -36,7 +36,7 @@ static int hfs_get_last_session(struct super_block *sb,
 
 	/* default values */
 	*start = 0;
-	*size = i_size_read(sb->s_bdev->bd_inode) >> 9;
+	*size = bdev_nr_sectors(sb->s_bdev);
 
 	if (HFS_SB(sb)->session >= 0) {
 		struct cdrom_tocentry te;