linux-kernel - [22/39] hwmon: (fschmd) Fix check on unsigned in watchdog

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Date:	Tue, 05 Jan 2010 12:02:18 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	stable-review@...nel.org
Cc:	Roel Kluin <roel.kluin@...il.com>,
	Hans de Goede <hdegoede@...hat.com>,
	Jean Delvare <khali@...ux-fr.org>
Subject: [22/39] hwmon: (fschmd) Fix check on unsigned in watchdog_write()

2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Roel Kluin <roel.kluin@...il.com>

commit c7702c31340f84cfd5e5df22293578b7ae1e9370 upstream.

If unsigned the watchdog_trigger() return value will not be
checked correctly.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
Acked-by: Andrew Morton <akpm@...ux-foundation.org>
Cc: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Jean Delvare <khali@...ux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/hwmon/fschmd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -819,7 +819,7 @@ static int watchdog_release(struct inode
 static ssize_t watchdog_write(struct file *filp, const char __user *buf,
 	size_t count, loff_t *offset)
 {
-	size_t ret;
+	int ret;
 	struct fschmd_data *data = filp->private_data;
 
 	if (count) {


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