We already have a helper for checking the limits on the block size both low and high, just use that. No functional changes. Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> --- block/bdev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/block/bdev.c b/block/bdev.c index 738e3c8457e7..9d73a8fbf7f9 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -155,8 +155,7 @@ int set_blocksize(struct file *file, int size) struct inode *inode = file->f_mapping->host; struct block_device *bdev = I_BDEV(inode); - /* Size must be a power of two, and between 512 and PAGE_SIZE */ - if (size > PAGE_SIZE || size < 512 || !is_power_of_2(size)) + if (blk_validate_block_size(size)) return -EINVAL; /* Size cannot be smaller than the size supported by the device */ -- 2.43.0