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| author | Vasiliy Kulikov <segoon@openwall.com> | 2011-03-22 16:34:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-14 16:53:07 -0700 |
| commit | 64b2e321f722ed518428ea1559ce3523362472ac (patch) | |
| tree | 4e10aea259f9e8ada86725cad9fcbde81018bd98 | |
| parent | 47e95eb46414b36f0b5b8f2f9e0fd0764c95b43c (diff) | |
| download | lwn-64b2e321f722ed518428ea1559ce3523362472ac.tar.gz lwn-64b2e321f722ed518428ea1559ce3523362472ac.zip | |
drivers/rtc/rtc-ds1511.c: world-writable sysfs nvram file
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>
| -rw-r--r-- | drivers/rtc/rtc-ds1511.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c index 4166b84cb514..445cfe8a751f 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -482,7 +482,7 @@ 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, |