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extcon: Remove the state_store() to prevent the wrong access

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This patch removes the state_store() which change the state of external
connectors with bit masking on user-space. It is wrong access to modify
the change the state of external connectors.

Signed-off-by: Chanwoo Choi <[email protected]>
This commit is contained in:
Chanwoo Choi 2016-07-18 15:39:28 +09:00
commit 5d5321e90a
1 changed files with 1 additions and 20 deletions
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21
drivers/extcon/extcon.c
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@ -174,26 +174,7 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr,
return count;
}
static ssize_t state_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
u32 state;
ssize_t ret = 0;
struct extcon_dev *edev = dev_get_drvdata(dev);
ret = sscanf(buf, "0x%x", &state);
if (ret == 0)
ret = -EINVAL;
else
ret = extcon_set_state(edev, state);
if (ret < 0)
return ret;
return count;
}
static DEVICE_ATTR_RW(state);
static DEVICE_ATTR_RO(state);
static ssize_t name_show(struct device *dev, struct device_attribute *attr,
char *buf)