leds: trigger: netdev: uninitialized variable in netdev_trig_activate()

The qca8k_cled_hw_control_get() function which implements ->hw_control_get
sets the appropriate bits but does not clear them.  This leads to an
uninitialized variable bug.  Fix this by setting mode to zero at the
start.

Fixes: e0256648c831 ("net: dsa: qca8k: implement hw_control ops")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Lee Jones <lee@kernel.org>
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 b0a6f27..2311dae 100644 (file)
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c
@@ -445,7 +445,7 @@ static void netdev_trig_work(struct work_struct *work)
 static int netdev_trig_activate(struct led_classdev *led_cdev)
 {
        struct led_netdev_data *trigger_data;
-       unsigned long mode;
+       unsigned long mode = 0;
        struct device *dev;
        int rc;