linux-kernel - [PATCH] [160/223] USB: misc: usbsevseg: fix up some sysfs attribute permissions

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Message-Id: <20101212234744.12642B27BF@basil.firstfloor.org>
Date:	Mon, 13 Dec 2010 00:47:44 +0100 (CET)
From:	Andi Kleen <andi@...stfloor.org>
To:	gregkh@...e.de, harrisonmetz@...il.com, ak@...ux.intel.com,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: [PATCH] [160/223] USB: misc: usbsevseg: fix up some sysfs attribute permissions

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Greg Kroah-Hartman <gregkh@...e.de>

commit e24d7ace4e822debcb78386bf279c9aba4d7fbd1 upstream.

They should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Harrison Metzger <harrisonmetz@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 drivers/usb/misc/usbsevseg.c |   10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

Index: linux/drivers/usb/misc/usbsevseg.c
===================================================================
--- linux.orig/drivers/usb/misc/usbsevseg.c
+++ linux/drivers/usb/misc/usbsevseg.c
@@ -192,7 +192,7 @@ static ssize_t set_attr_##name(struct de
 								\
 	return count;						\
 }								\
-static DEVICE_ATTR(name, S_IWUGO | S_IRUGO, show_attr_##name, set_attr_##name);
+static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_attr_##name, set_attr_##name);
 
 static ssize_t show_attr_text(struct device *dev,
 	struct device_attribute *attr, char *buf)
@@ -223,7 +223,7 @@ static ssize_t set_attr_text(struct devi
 	return count;
 }
 
-static DEVICE_ATTR(text, S_IWUGO | S_IRUGO, show_attr_text, set_attr_text);
+static DEVICE_ATTR(text, S_IRUGO | S_IWUSR, show_attr_text, set_attr_text);
 
 static ssize_t show_attr_decimals(struct device *dev,
 	struct device_attribute *attr, char *buf)
@@ -272,8 +272,7 @@ static ssize_t set_attr_decimals(struct
 	return count;
 }
 
-static DEVICE_ATTR(decimals, S_IWUGO | S_IRUGO,
-	show_attr_decimals, set_attr_decimals);
+static DEVICE_ATTR(decimals, S_IRUGO | S_IWUSR, show_attr_decimals, set_attr_decimals);
 
 static ssize_t show_attr_textmode(struct device *dev,
 	struct device_attribute *attr, char *buf)
@@ -319,8 +318,7 @@ static ssize_t set_attr_textmode(struct
 	return -EINVAL;
 }
 
-static DEVICE_ATTR(textmode, S_IWUGO | S_IRUGO,
-	show_attr_textmode, set_attr_textmode);
+static DEVICE_ATTR(textmode, S_IRUGO | S_IWUSR, show_attr_textmode, set_attr_textmode);
 
 
 MYDEV_ATTR_SIMPLE_UNSIGNED(powered, update_display_powered);
--
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