From c4318d6cd038472d13e08a54a9035863c8c160bd Mon Sep 17 00:00:00 2001 From: Xie Yongji Date: Tue, 26 Oct 2021 22:40:13 +0800 Subject: [PATCH] nbd: Use blk_validate_block_size() to validate block size Use the block layer helper to validate block size instead of open coding it. Signed-off-by: Xie Yongji Link: https://lore.kernel.org/r/20211026144015.188-3-xieyongji@bytedance.com Signed-off-by: Jens Axboe --- drivers/block/nbd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 8922b88..504c20a 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -315,7 +315,8 @@ static int nbd_set_size(struct nbd_device *nbd, loff_t bytesize, { if (!blksize) blksize = 1u << NBD_DEF_BLKSIZE_BITS; - if (blksize < 512 || blksize > PAGE_SIZE || !is_power_of_2(blksize)) + + if (blk_validate_block_size(blksize)) return -EINVAL; nbd->config->bytesize = bytesize; -- 2.7.4