leds: convert LT3593 LED driver to devm_kzalloc()

Cc: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>

diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c
index e311a96..09a7322 100644 (file)
--- a/drivers/leds/leds-lt3593.c
+++ b/drivers/leds/leds-lt3593.c
@@ -149,8 +149,9 @@ static int __devinit lt3593_led_probe(struct platform_device *pdev)
        if (!pdata)
                return -EBUSY;
 
-       leds_data = kzalloc(sizeof(struct lt3593_led_data) * pdata->num_leds,
-                               GFP_KERNEL);
+       leds_data = devm_kzalloc(&pdev->dev,
+                       sizeof(struct lt3593_led_data) * pdata->num_leds,
+                       GFP_KERNEL);
        if (!leds_data)
                return -ENOMEM;
 
@@ -169,8 +170,6 @@ err:
        for (i = i - 1; i >= 0; i--)
                delete_lt3593_led(&leds_data[i]);
 
-       kfree(leds_data);
-
        return ret;
 }
 
@@ -185,8 +184,6 @@ static int __devexit lt3593_led_remove(struct platform_device *pdev)
        for (i = 0; i < pdata->num_leds; i++)
                delete_lt3593_led(&leds_data[i]);
 
-       kfree(leds_data);
-
        return 0;
 }