linux-kernel - [PATCH 07/11] mv64x60_wdt: Add WDIOC

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]

Date:	Tue, 24 Jul 2007 11:16:29 -0700
From:	"Dale Farnsworth" <dale@...nsworth.org>
To:	Wim Van Sebroeck <wim@...ana.be>, linux-kernel@...r.kernel.org
Subject: [PATCH 07/11] mv64x60_wdt: Add WDIOC_SETOPTIONS ioctl support

Allow the watchdog timer to be enabled or disabled via the
WDIOC_SETOPTIONS ioctl.

Signed-off-by: Dale Farnsworth <dale@...nsworth.org>
---
 drivers/char/watchdog/mv64x60_wdt.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

Index: linux-2.6-powerpc-wdt/drivers/char/watchdog/mv64x60_wdt.c
===================================================================
--- linux-2.6-powerpc-wdt.orig/drivers/char/watchdog/mv64x60_wdt.c	2007-07-20 19:29:15.000000000 +0000
+++ linux-2.6-powerpc-wdt/drivers/char/watchdog/mv64x60_wdt.c	2007-07-20 19:29:34.000000000 +0000
@@ -132,6 +132,7 @@ static int mv64x60_wdt_ioctl(struct inod
 			     unsigned int cmd, unsigned long arg)
 {
 	int timeout;
+	int options;
 	void __user *argp = (void __user *)arg;
 	static struct watchdog_info info = {
 		.options =	WDIOF_SETTIMEOUT	|
@@ -157,7 +158,15 @@ static int mv64x60_wdt_ioctl(struct inod
 		return -EOPNOTSUPP;
 
 	case WDIOC_SETOPTIONS:
-		return -EOPNOTSUPP;
+		if (get_user(options, (int __user *)argp))
+			return -EFAULT;
+
+		if (options & WDIOS_DISABLECARD)
+			mv64x60_wdt_handler_disable();
+
+		if (options & WDIOS_ENABLECARD)
+			mv64x60_wdt_handler_enable();
+		break;
 
 	case WDIOC_KEEPALIVE:
 		mv64x60_wdt_service();

-
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/