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authorChristoph Hellwig <hch@lst.de>2021-10-18 12:11:24 +0200
committerJens Axboe <axboe@kernel.dk>2021-10-18 22:43:23 +0200
commit2a93ad8fcb377b9d6e05947de161e146f5be4de9 (patch)
treeb42bd7ccdcb400dad7f1bbfaea805c90330bf112 /block
parentsquashfs: use bdev_nr_bytes instead of open coding it (diff)
downloadlinux-2a93ad8fcb377b9d6e05947de161e146f5be4de9.tar.xz
linux-2a93ad8fcb377b9d6e05947de161e146f5be4de9.zip
block: use bdev_nr_bytes instead of open coding it in blkdev_fallocate
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> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Link: https://lore.kernel.org/r/20211018101130.1838532-25-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/fops.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/fops.c b/block/fops.c
index 2c43e493e37c..2ae8a7bd2b84 100644
--- a/block/fops.c
+++ b/block/fops.c
@@ -535,7 +535,7 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start,
return -EOPNOTSUPP;
/* Don't go off the end of the device. */
- isize = i_size_read(bdev->bd_inode);
+ isize = bdev_nr_bytes(bdev);
if (start >= isize)
return -EINVAL;
if (end >= isize) {