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] [thread-next>] [day] [month] [year] [list]
Message-Id: <20210119220653.677750-9-alexandre.belloni@bootlin.com>
Date:   Tue, 19 Jan 2021 23:06:47 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 09/14] rtc: mcp795: use rtc_lock/rtc_unlock

Avoid accessing directly rtc->ops_lock and use the RTC core helpers.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-mcp795.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c
index 21cbf7f892e8..bad7792b6ca5 100644
--- a/drivers/rtc/rtc-mcp795.c
+++ b/drivers/rtc/rtc-mcp795.c
@@ -350,10 +350,9 @@ static irqreturn_t mcp795_irq(int irq, void *data)
 {
 	struct spi_device *spi = data;
 	struct rtc_device *rtc = spi_get_drvdata(spi);
-	struct mutex *lock = &rtc->ops_lock;
 	int ret;
 
-	mutex_lock(lock);
+	rtc_lock(rtc);
 
 	/* Disable alarm.
 	 * There is no need to clear ALM0IF (Alarm 0 Interrupt Flag) bit,
@@ -365,7 +364,7 @@ static irqreturn_t mcp795_irq(int irq, void *data)
 			"Failed to disable alarm in IRQ (ret=%d)\n", ret);
 	rtc_update_irq(rtc, 1, RTC_AF | RTC_IRQF);
 
-	mutex_unlock(lock);
+	rtc_unlock(rtc);
 
 	return IRQ_HANDLED;
 }
-- 
2.29.2

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ