linux-kernel - [PATCH] kunit: time: use is_leap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20260123080940.335474-1-ruanjinjie@huawei.com>
Date: Fri, 23 Jan 2026 16:09:40 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <jstultz@...gle.com>, <tglx@...nel.org>, <sboyd@...nel.org>,
	<linux-kernel@...r.kernel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH] kunit: time: use is_leap_year() helper

Use the is_leap_year() helper from rtc.h instead of
writing it by hand

Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
---
 kernel/time/time_test.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/kernel/time/time_test.c b/kernel/time/time_test.c
index 2889763165e5..7c2fb5f775eb 100644
--- a/kernel/time/time_test.c
+++ b/kernel/time/time_test.c
@@ -2,14 +2,7 @@
 
 #include <kunit/test.h>
 #include <linux/time.h>
-
-/*
- * Traditional implementation of leap year evaluation.
- */
-static bool is_leap(long year)
-{
-	return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
-}
+#include <linux/rtc.h>
 
 /*
  * Gets the last day of a month.
@@ -17,7 +10,7 @@ static bool is_leap(long year)
 static int last_day_of_month(long year, int month)
 {
 	if (month == 2)
-		return 28 + is_leap(year);
+		return 28 + is_leap_year(year);
 	if (month == 4 || month == 6 || month == 9 || month == 11)
 		return 30;
 	return 31;
-- 
2.34.1