linux-kernel - [PATCH 5/7] rtc : convert semaphore to mutex in struct class

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>] [day] [month] [year] [list]

Message-ID: <20080103055945.GF4885@darkstar.te-china.tietoenator.com>
Date:	Thu, 3 Jan 2008 13:59:45 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	a.zummo@...ertech.it
Cc:	linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com
Subject: [PATCH 5/7] rtc : convert semaphore to mutex in struct class

Use mutex instead of semaphore in struct class.

Signed-off-by: Dave Young <hidave.darkstar@...il.com> 
---
drivers/rtc/interface.c |    4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff -upr linux/drivers/rtc/interface.c linux.new/drivers/rtc/interface.c
--- linux/drivers/rtc/interface.c	2007-12-28 10:41:42.000000000 +0800
+++ linux.new/drivers/rtc/interface.c	2007-12-28 10:43:51.000000000 +0800
@@ -256,7 +256,7 @@ struct rtc_device *rtc_class_open(char *
 	struct device *dev;
 	struct rtc_device *rtc = NULL;
 
-	down(&rtc_class->sem);
+	mutex_lock(&rtc_class->mutex);
 	list_for_each_entry(dev, &rtc_class->devices, node) {
 		if (strncmp(dev->bus_id, name, BUS_ID_SIZE) == 0) {
 			dev = get_device(dev);
@@ -272,7 +272,7 @@ struct rtc_device *rtc_class_open(char *
 			rtc = NULL;
 		}
 	}
-	up(&rtc_class->sem);
+	mutex_unlock(&rtc_class->mutex);
 
 	return rtc;
 }
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/