summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorVasiliy Kulikov <segoon@openwall.com>2011-03-22 16:34:53 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-04-14 16:53:37 -0700
commit92d191de8c0dd7ec93ed4604636d9ebb1c85d249 (patch)
tree73ff179ff9e8c0f27e59012fd08ee8b7d9a93012
parent23b37e1e83747828aa582d38eb32d28de20158a2 (diff)
downloadlinux-stable-92d191de8c0dd7ec93ed4604636d9ebb1c85d249.tar.gz
linux-stable-92d191de8c0dd7ec93ed4604636d9ebb1c85d249.tar.bz2
linux-stable-92d191de8c0dd7ec93ed4604636d9ebb1c85d249.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.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 0b6b7730c716..21c2181bdf06 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -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,