[34-longterm 085/209] USB: misc: usbsevseg: fix up some sysfs attribute permissions

From: Paul Gortmaker
Date: Thu Apr 14 2011 - 13:47:11 EST


From: Greg Kroah-Hartman <gregkh@xxxxxxx>

=====================================================================
| 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 e24d7ace4e822debcb78386bf279c9aba4d7fbd1 upstream.

They should not be writable by any user.

Reported-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Harrison Metzger <harrisonmetz@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
---
drivers/usb/misc/usbsevseg.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c
index de8ef94..417b8f2 100644
--- a/drivers/usb/misc/usbsevseg.c
+++ b/drivers/usb/misc/usbsevseg.c
@@ -192,7 +192,7 @@ static ssize_t set_attr_##name(struct device *dev, \
\
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 device *dev,
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 device *dev,
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 device *dev,
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);
--
1.7.4.4

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