drivers/rtc/rtc-ds1511.c: world-writable sysfs nvram file
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>
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@ -468,7 +468,7 @@ ds1511_nvram_write(struct file *filp, struct kobject *kobj,
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static struct bin_attribute ds1511_nvram_attr = {
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static struct bin_attribute ds1511_nvram_attr = {
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.attr = {
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.attr = {
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.name = "nvram",
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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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},
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.size = DS1511_RAM_MAX,
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.size = DS1511_RAM_MAX,
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.read = ds1511_nvram_read,
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.read = ds1511_nvram_read,
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