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Subject[PATCH 142/173] drivers/rtc/rtc-ds1511.c: world-writable sysfs nvram file
2.6.27.59-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Vasiliy Kulikov <segoon@openwall.com>

commit 49d50fb1c28738ef6bad0c2b87d5355a1653fed5 upstream.

Don't allow everybogy to write to NVRAM.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Cc: Andy Sharp <andy.sharp@onstor.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/rtc/rtc-ds1511.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: longterm-2.6.27/drivers/rtc/rtc-ds1511.c
===================================================================
--- longterm-2.6.27.orig/drivers/rtc/rtc-ds1511.c 2011-01-23 10:52:24.000000000 +0100
+++ longterm-2.6.27/drivers/rtc/rtc-ds1511.c 2011-04-25 17:05:58.082277591 +0200
@@ -493,7 +493,7 @@
static struct bin_attribute ds1511_nvram_attr = {
.attr = {
.name = "nvram",
- .mode = S_IRUGO | S_IWUGO,
+ .mode = S_IRUGO | S_IWUSR,
.owner = THIS_MODULE,
},
.size = DS1511_RAM_MAX,



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