Use the attribute groups of the led-class to create the sata attribute
during probe in order to avoid racing with userspace.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/leds/leds-netxbig.c | 26 ++++++++++++--------------
1 file changed, 12 insertions(+), 14 deletions(-)
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c
index e97f443a6e07..8ab931b8fcd3 100644
--- a/drivers/leds/leds-netxbig.c
+++ b/drivers/leds/leds-netxbig.c
@@ -293,10 +293,14 @@ static ssize_t netxbig_led_sata_show(struct device *dev,
static DEVICE_ATTR(sata, 0644, netxbig_led_sata_show, netxbig_led_sata_store);
+static struct attribute *netxbig_led_attrs[] = {
+ &dev_attr_sata.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(netxbig_led);
+
static void delete_netxbig_led(struct netxbig_led_data *led_dat)
{
- if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE)
- device_remove_file(led_dat->cdev.dev, &dev_attr_sata);
led_classdev_unregister(&led_dat->cdev);
}
@@ -327,6 +331,12 @@ create_netxbig_led(struct platform_device *pdev,
led_dat->sata = 0;
led_dat->cdev.brightness = LED_OFF;
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
+ /*
+ * If available, expose the SATA activity blink capability through
+ * a "sata" sysfs attribute.
+ */
+ if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE)
+ led_dat->cdev.groups = netxbig_led_groups;
led_dat->mode_addr = template->mode_addr;
led_dat->mode_val = template->mode_val;
led_dat->bright_addr = template->bright_addr;
@@ -335,18 +345,6 @@ create_netxbig_led(struct platform_device *pdev,
led_dat->num_timer = pdata->num_timer;
ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
- if (ret < 0)
- return ret;
-
- /*
- * If available, expose the SATA activity blink capability through
- * a "sata" sysfs attribute.
- */
- if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE) {
- ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
- if (ret)
- led_classdev_unregister(&led_dat->cdev);
- }
return ret;
}
--
1.8.5.5
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