diff options
| -rw-r--r-- | drivers/leds/trigger/ledtrig-netdev.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index 305eb543ba84..c93ac3bc85a6 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -104,15 +104,9 @@ static ssize_t device_name_show(struct device *dev, return len; } -static ssize_t device_name_store(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t size) +static int set_device_name(struct led_netdev_data *trigger_data, + const char *name, size_t size) { - struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev); - - if (size >= IFNAMSIZ) - return -EINVAL; - cancel_delayed_work_sync(&trigger_data->work); mutex_lock(&trigger_data->lock); @@ -122,7 +116,7 @@ static ssize_t device_name_store(struct device *dev, trigger_data->net_dev = NULL; } - memcpy(trigger_data->device_name, buf, size); + memcpy(trigger_data->device_name, name, size); trigger_data->device_name[size] = 0; if (size > 0 && trigger_data->device_name[size - 1] == '\n') trigger_data->device_name[size - 1] = 0; @@ -140,6 +134,23 @@ static ssize_t device_name_store(struct device *dev, set_baseline_state(trigger_data); mutex_unlock(&trigger_data->lock); + return 0; +} + +static ssize_t device_name_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t size) +{ + struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev); + int ret; + + if (size >= IFNAMSIZ) + return -EINVAL; + + ret = set_device_name(trigger_data, buf, size); + + if (ret < 0) + return ret; return size; } |