[PATCH 055/173] platform: x86: acer-wmi: world-writable sysfs threeg file

From: Willy Tarreau
Date: Mon Apr 25 2011 - 16:52:37 EST


2.6.27.59-stable review patch. If anyone has any objections, please let us know.

------------------

From: Vasiliy Kulikov <segoon@xxxxxxxxxxxx>

commit b80b168f918bba4b847e884492415546b340e19d upstream.

Don't allow everybody to write to hardware registers.

Signed-off-by: Vasiliy Kulikov <segoon@xxxxxxxxxxxx>
Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
[wt: also fixed permission on interface]

---
drivers/platform/x86/acer-wmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: longterm-2.6.27/drivers/misc/acer-wmi.c
===================================================================
--- longterm-2.6.27.orig/drivers/misc/acer-wmi.c 2011-04-25 14:48:12.000000000 +0200
+++ longterm-2.6.27/drivers/misc/acer-wmi.c 2011-04-25 14:57:17.405278940 +0200
@@ -957,7 +957,7 @@
return -EINVAL; \
return count; \
} \
-static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \
+static DEVICE_ATTR(value, S_IRUGO | S_IWUSR, \
show_bool_##value, set_bool_##value);

show_set_bool(wireless, ACER_CAP_WIRELESS);
@@ -982,7 +982,7 @@
}
}

-static DEVICE_ATTR(interface, S_IWUGO | S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(interface, S_IRUGO | S_IWUSR,
show_interface, NULL);

/*


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