From: Vasiliy Kulikov <segoon@openwall.com>
Date: Tue, 22 Mar 2011 23:34:01 +0000 (-0700)
Subject: drivers/misc/ep93xx_pwm.c: world-writable sysfs files
X-Git-Tag: v2.6.32.37~28
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=48a129af149aee88f9ae803adf5078ae993c11f3;p=karo-tx-linux.git

drivers/misc/ep93xx_pwm.c: world-writable sysfs files

commit deb187e72470b0382d4f0cb859e76e1ebc3a1082 upstream.

Don't allow everybody to change device settings.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Acked-by: Hartley Sweeten <hartleys@visionengravers.com>
Cc: Matthieu Crapet <mcrapet@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/misc/ep93xx_pwm.c b/drivers/misc/ep93xx_pwm.c
index ba4694169d79..3f9a0ab28e76 100644
--- a/drivers/misc/ep93xx_pwm.c
+++ b/drivers/misc/ep93xx_pwm.c
@@ -248,11 +248,11 @@ static ssize_t ep93xx_pwm_set_invert(struct device *dev,
 
 static DEVICE_ATTR(min_freq, S_IRUGO, ep93xx_pwm_get_min_freq, NULL);
 static DEVICE_ATTR(max_freq, S_IRUGO, ep93xx_pwm_get_max_freq, NULL);
-static DEVICE_ATTR(freq, S_IWUGO | S_IRUGO,
+static DEVICE_ATTR(freq, S_IWUSR | S_IRUGO,
 		   ep93xx_pwm_get_freq, ep93xx_pwm_set_freq);
-static DEVICE_ATTR(duty_percent, S_IWUGO | S_IRUGO,
+static DEVICE_ATTR(duty_percent, S_IWUSR | S_IRUGO,
 		   ep93xx_pwm_get_duty_percent, ep93xx_pwm_set_duty_percent);
-static DEVICE_ATTR(invert, S_IWUGO | S_IRUGO,
+static DEVICE_ATTR(invert, S_IWUSR | S_IRUGO,
 		   ep93xx_pwm_get_invert, ep93xx_pwm_set_invert);
 
 static struct attribute *ep93xx_pwm_attrs[] = {