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drivers/regulator/virtual: avoid world-writable sysfs files. 

In line with practice for module parameters, we're adding a build-time
check that sysfs files aren't world-writable.

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
hifive-unleashed-5.1
Rusty Russell 2014-05-14 10:33:49 +09:30
parent 332e2b4f51
commit 71e06af26c
1 changed files with 5 additions and 5 deletions
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10
drivers/regulator/virtual.c
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@ -266,11 +266,11 @@ static ssize_t set_mode(struct device *dev, struct device_attribute *attr,
return count;
}
static DEVICE_ATTR(min_microvolts, 0666, show_min_uV, set_min_uV);
static DEVICE_ATTR(max_microvolts, 0666, show_max_uV, set_max_uV);
static DEVICE_ATTR(min_microamps, 0666, show_min_uA, set_min_uA);
static DEVICE_ATTR(max_microamps, 0666, show_max_uA, set_max_uA);
static DEVICE_ATTR(mode, 0666, show_mode, set_mode);
static DEVICE_ATTR(min_microvolts, 0664, show_min_uV, set_min_uV);
static DEVICE_ATTR(max_microvolts, 0664, show_max_uV, set_max_uV);
static DEVICE_ATTR(min_microamps, 0664, show_min_uA, set_min_uA);
static DEVICE_ATTR(max_microamps, 0664, show_max_uA, set_max_uA);
static DEVICE_ATTR(mode, 0664, show_mode, set_mode);
static struct attribute *regulator_virtual_attributes[] = {
&dev_attr_min_microvolts.attr,