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authorChristoph Hellwig <hch@lst.de>2021-10-18 13:11:05 +0300
committerJens Axboe <axboe@kernel.dk>2021-10-18 23:43:22 +0300
commit6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b (patch)
tree0b62fa76b092b9525da5cbba47eeee7ed90064d0 /drivers/md/dm-verity-target.c
parentda7b392467da82f8b8cbfe69360e3128688c9ddb (diff)
downloadlinux-6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b.tar.xz
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
Use the proper helpers to read the block device size. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Mike Snitzer <snitzer@redhat.com> Link: https://lore.kernel.org/r/20211018101130.1838532-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/dm-verity-target.c')
-rw-r--r--drivers/md/dm-verity-target.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index aae48a8b1a04..a7efe83aad29 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -834,8 +834,7 @@ static int verity_prepare_ioctl(struct dm_target *ti, struct block_device **bdev
*bdev = v->data_dev->bdev;
- if (v->data_start ||
- ti->len != i_size_read(v->data_dev->bdev->bd_inode) >> SECTOR_SHIFT)
+ if (v->data_start || ti->len != bdev_nr_sectors(v->data_dev->bdev))
return 1;
return 0;
}