leds: sc27xx: Move mutex_init() down
authorChunyan Zhang <chunyan.zhang@unisoc.com>
Fri, 13 Oct 2023 02:20:10 +0000 (10:20 +0800)
committerLee Jones <lee@kernel.org>
Wed, 1 Nov 2023 11:29:15 +0000 (11:29 +0000)
Move the mutex_init() to avoid redundant mutex_destroy() calls after
that for each time the probe fails.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20231013022010.854367-1-chunyan.zhang@unisoc.com
Signed-off-by: Lee Jones <lee@kernel.org>
drivers/leds/leds-sc27xx-bltc.c

index af1f00a..f04db79 100644 (file)
@@ -296,7 +296,6 @@ static int sc27xx_led_probe(struct platform_device *pdev)
                return -ENOMEM;
 
        platform_set_drvdata(pdev, priv);
-       mutex_init(&priv->lock);
        priv->base = base;
        priv->regmap = dev_get_regmap(dev->parent, NULL);
        if (!priv->regmap) {
@@ -309,13 +308,11 @@ static int sc27xx_led_probe(struct platform_device *pdev)
                err = of_property_read_u32(child, "reg", &reg);
                if (err) {
                        of_node_put(child);
-                       mutex_destroy(&priv->lock);
                        return err;
                }
 
                if (reg >= SC27XX_LEDS_MAX || priv->leds[reg].active) {
                        of_node_put(child);
-                       mutex_destroy(&priv->lock);
                        return -EINVAL;
                }
 
@@ -323,6 +320,8 @@ static int sc27xx_led_probe(struct platform_device *pdev)
                priv->leds[reg].active = true;
        }
 
+       mutex_init(&priv->lock);
+
        err = sc27xx_led_register(dev, priv);
        if (err)
                mutex_destroy(&priv->lock);