Use the proper helper to read the block device size. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Reviewed-by: Jan Kara <jack@xxxxxxx> Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> --- fs/buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/buffer.c b/fs/buffer.c index c615387aedcae..156358977249f 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -878,7 +878,7 @@ link_dev_buffers(struct page *page, struct buffer_head *head) static sector_t blkdev_max_block(struct block_device *bdev, unsigned int size) { sector_t retval = ~((sector_t)0); - loff_t sz = i_size_read(bdev->bd_inode); + loff_t sz = bdev_nr_bytes(bdev); if (sz) { unsigned int sizebits = blksize_bits(size); -- 2.30.2