From: Roel Kluin <roel.kluin@gmail.com>
Date: Sat, 24 Oct 2009 11:28:45 +0000 (+0200)
Subject: hwmon: (fschmd) Fix check on unsigned in watchdog_write()
X-Git-Tag: v2.6.31.10~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cdbb74a7b9d18c0a3f99c5e242fce12456a52899;p=thirdparty%2Fkernel%2Fstable.git

hwmon: (fschmd) Fix check on unsigned in watchdog_write()

commit c7702c31340f84cfd5e5df22293578b7ae1e9370 upstream.

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

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

diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index ea955edde87e5..37ea6a45d25fc 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -819,7 +819,7 @@ static int watchdog_release(struct inode *inode, struct file *filp)
 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) {