diff options
| author | Vasiliy Kulikov <segoon@openwall.com> | 2011-03-22 16:34:53 -0700 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2011-04-30 16:53:31 +0200 |
| commit | 65912d4568812ba346ed5c68687338bac121e269 (patch) | |
| tree | 14f89a79be549730b91c0909cd0878fd947452b9 /drivers | |
| parent | 3271f969b6126f4217f021b4602de8239ad3cfcf (diff) | |
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>
Diffstat (limited to 'drivers')
| -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 0f0d27d1c4ca..9a768e3faaa0 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -493,7 +493,7 @@ 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, .owner = THIS_MODULE, }, .size = DS1511_RAM_MAX, |