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Subject[PATCH 17/20] rtc: rtc-ds1511: world-writable sysfs nvram file
Date
Don't allow everybogy to write to NVRAM.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
---
Compile tested only.
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 37268e9..afeb546 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -485,7 +485,7 @@ ds1511_nvram_write(struct file *filp, struct kobject *kobj,
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,
--
1.7.0.4


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