From: Christian Marangi <ansuelsmth@gmail.com>
Date: Mon, 29 May 2023 16:32:37 +0000 (+0200)
Subject: leds: trigger: netdev: reject interval store for hw_control
X-Git-Tag: v6.5-rc1~163^2~199^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c84c80c7388f887b10dafd70fc55bc6c5fe9fa5a;p=thirdparty%2Fkernel%2Flinux.git

leds: trigger: netdev: reject interval store for hw_control

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 2101cbbda707f..cb2ec33abc4e6 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;