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nbd: Use blk_validate_block_size() to validate block size

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Use the block layer helper to validate block size instead
of open coding it.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20211026144015.188-3-xieyongji@bytedance.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Xie Yongji 2021-10-26 22:40:13 +08:00 committed by Jens Axboe
parent 570b1cac47
commit c4318d6cd0
1 changed files with 2 additions and 1 deletions
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3
drivers/block/nbd.c
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@ -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;