netdev - [net-next PATCH v2 07/13] leds: trigger: netdev: reject interval store for hw

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Date: Thu, 25 May 2023 16:53:55 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Pavel Machek <pavel@....cz>,
	Lee Jones <lee@...nel.org>,
	Jonathan Corbet <corbet@....net>,
	Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Christian Marangi <ansuelsmth@...il.com>,
	linux-leds@...r.kernel.org,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [net-next PATCH v2 07/13] 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@...il.com>
---
 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