Reject interval store with hw_control enabled. It's are currently not
supported and MUST be set to the default value with hw control enabled.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/leds/trigger/ledtrig-netdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 2101cbbda707..cb2ec33abc4e 100644
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c

@@ -265,6 +265,9 @@ static ssize_t interval_store(struct device *dev,
 	unsigned long value;
 	int ret;
 
+	if (trigger_data->hw_control)
+		return -EINVAL;
+
 	ret = kstrtoul(buf, 0, &value);
 	if (ret)
 		return ret;

-- 
2.39.2