From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 15 Nov 2010 19:34:26 +0000 (-0800)
Subject: USB: misc: trancevibrator: fix up a sysfs attribute permission
X-Git-Tag: firefly_0821_release~10186^2~673
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=872d84628480ee1e26503e45e9650c09c649380c;p=firefly-linux-kernel-4.4.55.git

USB: misc: trancevibrator: fix up a sysfs attribute permission

commit d489a4b3926bad571d404ca6508f6744b9602776 upstream.

It should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sam Hocevar <sam@zoy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 2e14102955c5..d509dcb29b38 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -85,7 +85,7 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-static DEVICE_ATTR(speed, S_IWUGO | S_IRUGO, show_speed, set_speed);
+static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR, show_speed, set_speed);
 
 static int tv_probe(struct usb_interface *interface,
 		    const struct usb_device_id *id)