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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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