diff options
| author | Vasiliy Kulikov <segoon@openwall.com> | 2011-03-22 16:34:53 -0700 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2012-03-14 10:57:04 -0400 |
| commit | dc19bd129ebe219f75e6f6a7a78f6eb6f82d1e6d (patch) | |
| tree | 2be48279ecf8b7446c2c7e3e5d861dada3376173 /drivers | |
| parent | 51c5e48cd5c665fb14d28c3e74fb7e9103f76da1 (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: Paul Gortmaker <paul.gortmaker@windriver.com>
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 06b8566c453..fad05bd17ca 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -483,7 +483,7 @@ 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, |