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]> --- drivers/extcon/extcon.c | 21 +-------------------- 1 file changed, 1 insertion(+), 20 deletions(-) diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 319659c6af28..ad5e4546f82c 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -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) -- 1.9.1
