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crypto: af_alg - use DIV_ROUND_UP helper macro for calculations

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Replace open coded divisor calculations with the DIV_ROUND_UP kernel
macro for better readability.

Signed-off-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Wu Bo 2021-05-25 16:15:19 +08:00 committed by Herbert Xu
parent e9009fb227
commit 7551a07470
1 changed files with 1 additions and 1 deletions
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crypto/af_alg.c
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@ -411,7 +411,7 @@ int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len)
if (n < 0)
return n;
npages = (off + n + PAGE_SIZE - 1) >> PAGE_SHIFT;
npages = DIV_ROUND_UP(off + n, PAGE_SIZE);
if (WARN_ON(npages == 0))
return -EINVAL;
/* Add one extra for linking */