[PATCH 1/2] crypto: af_alg - use DIV_ROUND_UP helper macro for calculations
From: Wu Bo <hidden>
Date: 2021-05-25 08:08:30
Also in:
linux-fsdevel, lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
From: Wu Bo <redacted> Replace open coded divisor calculations with the DIV_ROUND_UP kernel macro for better readability. Signed-off-by: Wu Bo <redacted> --- crypto/af_alg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 18cc82d..8bd288d 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c@@ -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 */
--
1.8.3.1