From cf89160793c439dca00e2563d0b7f153c274027b Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 23 Jul 2019 23:41:55 +0300
Subject: [PATCH] md: Convert to use int_pow()
Git-commit: cf89160793c439dca00e2563d0b7f153c274027b
Patch-mainline: v5.4-rc1
References: bsc#1166003
Instead of linear approach to calculate power of 10, use generic int_pow()
which does it better.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Coly Li <colyli@suse.de>
---
drivers/md/md.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 24638ccedce4..3f1252440ad0 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3664,11 +3664,7 @@ int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale)
return -EINVAL;
if (decimals < 0)
decimals = 0;
- while (decimals < scale) {
- result *= 10;
- decimals ++;
- }
- *res = result;
+ *res = result * int_pow(10, scale - decimals);
return 0;
}
--
2.25.0