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drivers/rtc/rtc-ds1511.c: world-writable sysfs nvram file

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commit 49d50fb1c2 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>
This commit is contained in:
Vasiliy Kulikov
2011-03-22 16:34:53 -07:00
committed by Greg Kroah-Hartman
parent 23b37e1e83
commit 92d191de8c
1 changed files with 1 additions and 1 deletions
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drivers/rtc/rtc-ds1511.c
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@@ -480,7 +480,7 @@ ds1511_nvram_write(struct kobject *kobj, struct bin_attribute *bin_attr,
static struct bin_attribute ds1511_nvram_attr = {
.attr = {
.name = "nvram",
.mode = S_IRUGO | S_IWUGO,
.mode = S_IRUGO | S_IWUSR,
},
.size = DS1511_RAM_MAX,
.read = ds1511_nvram_read,