| From | Paul Gortmaker <> | Subject | [34-longterm 043/196] drivers/misc/ep93xx_pwm.c: world-writable sysfs files | Date | Mon, 12 Mar 2012 20:12:51 -0400 |
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From: Vasiliy Kulikov <segoon@openwall.com>
------------------- This is a commit scheduled for the next v2.6.34 longterm release. If you see a problem with using this for longterm, please comment. -------------------
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: Paul Gortmaker <paul.gortmaker@windriver.com> --- drivers/misc/ep93xx_pwm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/ep93xx_pwm.c b/drivers/misc/ep93xx_pwm.c index 46b3439..16d7179 100644 --- a/drivers/misc/ep93xx_pwm.c +++ b/drivers/misc/ep93xx_pwm.c @@ -249,11 +249,11 @@ 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[] = { -- 1.7.9.3
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