30 lines
817 B
Diff
30 lines
817 B
Diff
From: Vasiliy Kulikov <segoon@openwall.com>
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Subject: [PATCH 17/20] rtc: rtc-ds1511: world-writable sysfs nvram file
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Date: Fri, 4 Feb 2011 15:24:06 +0300
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Don't allow everybogy to write to NVRAM.
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Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
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---
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Compile tested only.
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drivers/rtc/rtc-ds1511.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
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index 37268e9..afeb546 100644
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--- a/drivers/rtc/rtc-ds1511.c
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+++ b/drivers/rtc/rtc-ds1511.c
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@@ -485,7 +485,7 @@ ds1511_nvram_write(struct file *filp, struct kobject *kobj,
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static struct bin_attribute ds1511_nvram_attr = {
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.attr = {
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.name = "nvram",
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- .mode = S_IRUGO | S_IWUGO,
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+ .mode = S_IRUGO | S_IWUSR,
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},
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.size = DS1511_RAM_MAX,
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.read = ds1511_nvram_read,
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--
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1.7.0.4
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