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path: root/drivers/net/can/led.c
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Diffstat (limited to 'drivers/net/can/led.c')
-rw-r--r--drivers/net/can/led.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/can/led.c b/drivers/net/can/led.c
index f27fca65dc4..ab7f1b01be4 100644
--- a/drivers/net/can/led.c
+++ b/drivers/net/can/led.c
@@ -88,15 +88,18 @@ EXPORT_SYMBOL_GPL(devm_can_led_init);
/* NETDEV rename notifier to rename the associated led triggers too */
static int can_led_notifier(struct notifier_block *nb, unsigned long msg,
- void *data)
+ void *ptr)
{
- struct net_device *netdev = data;
+ struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
struct can_priv *priv = safe_candev_priv(netdev);
char name[CAN_LED_NAME_SZ];
if (!priv)
return NOTIFY_DONE;
+ if (!priv->tx_led_trig || !priv->rx_led_trig)
+ return NOTIFY_DONE;
+
if (msg == NETDEV_CHANGENAME) {
snprintf(name, sizeof(name), "%s-tx", netdev->name);
led_trigger_rename_static(name, priv->tx_led_trig);