leds: convert wm8350 driver to devm_kzalloc()

Saves a small amount of code and systematically eliminates leaks.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index 390c0f679628..918d4baff1c7 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -227,7 +227,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
                 goto err_isink;
         }
 
-        led = kzalloc(sizeof(*led), GFP_KERNEL);
+        led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
         if (led == NULL) {
                 ret = -ENOMEM;
                 goto err_dcdc;
@@ -259,12 +259,10 @@ static int wm8350_led_probe(struct platform_device *pdev)
 
         ret = led_classdev_register(&pdev->dev, &led->cdev);
         if (ret < 0)
-                goto err_led;
+                goto err_dcdc;
 
         return 0;
 
- err_led:
-        kfree(led);
  err_dcdc:
         regulator_put(dcdc);
  err_isink:
@@ -281,7 +279,6 @@ static int wm8350_led_remove(struct platform_device *pdev)
         wm8350_led_disable(led);
         regulator_put(led->dcdc);
         regulator_put(led->isink);
-        kfree(led);
         return 0;
 }