[PATCH] leds: triggers: netdev: add a check, whether device is up

[Klaus Kudielka]

Some net devices do not report NO-CARRIER, if they haven't been brought
up. In that case, the netdev trigger results in a wrong link state being
displayed. Fix this, by adding a check, whether the device is up.

Signed-off-by: Klaus Kudielka <klaus.kudielka@xxxxxxxxx>
---
 drivers/leds/trigger/ledtrig-netdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index e358e77e4b..bd5e21d0f0 100644
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c
@@ -195,7 +195,8 @@ static void get_device_state(struct led_netdev_data *trigger_data)
 {
 	struct ethtool_link_ksettings cmd;
 
-	trigger_data->carrier_link_up = netif_carrier_ok(trigger_data->net_dev);
+	trigger_data->carrier_link_up = netif_running(trigger_data->net_dev) &&
+		netif_carrier_ok(trigger_data->net_dev);
 	if (!trigger_data->carrier_link_up)
 		return;
 
-- 
2.42.0