diff options
Diffstat (limited to 'drivers/leds/ledtrig-timer.c')
| -rw-r--r-- | drivers/leds/ledtrig-timer.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index 179c2876b54..d756bdb01c5 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -12,6 +12,7 @@ */ #include <linux/module.h> +#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/list.h> @@ -123,6 +124,7 @@ static CLASS_DEVICE_ATTR(delay_off, 0644, led_delay_off_show, static void timer_trig_activate(struct led_classdev *led_cdev) { struct timer_trig_data *timer_data; + int rc; timer_data = kzalloc(sizeof(struct timer_trig_data), GFP_KERNEL); if (!timer_data) @@ -134,10 +136,21 @@ static void timer_trig_activate(struct led_classdev *led_cdev) timer_data->timer.function = led_timer_function; timer_data->timer.data = (unsigned long) led_cdev; - class_device_create_file(led_cdev->class_dev, + rc = class_device_create_file(led_cdev->class_dev, &class_device_attr_delay_on); - class_device_create_file(led_cdev->class_dev, + if (rc) goto err_out; + rc = class_device_create_file(led_cdev->class_dev, &class_device_attr_delay_off); + if (rc) goto err_out_delayon; + + return; + +err_out_delayon: + class_device_remove_file(led_cdev->class_dev, + &class_device_attr_delay_on); +err_out: + led_cdev->trigger_data = NULL; + kfree(timer_data); } static void timer_trig_deactivate(struct led_classdev *led_cdev) |