linux-kernel - [PATCH 2/2] rtc: ds1511: set alarm offset limit

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20240227231356.1840523-2-alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:13:55 +0100
From: alexandre.belloni@...tlin.com
To: Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: linux-rtc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] rtc: ds1511: set alarm offset limit

From: Alexandre Belloni <alexandre.belloni@...tlin.com>

The ds1511 can only support alarms up to a month in the future (which we
currently limit to 28 days).

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-ds1511.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 6869d28d34cc..8b087d9556be 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -323,6 +323,7 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
 
 	ds1511->rtc->ops = &ds1511_rtc_ops;
 	ds1511->rtc->range_max = RTC_TIMESTAMP_END_2099;
+	ds1511->rtc->alarm_offset_max = 28 * 24 * 60 * 60 - 1;
 
 	/*
 	 * if the platform has an interrupt in mind for this device,
-- 
2.43.0