Input: wm831x-on - convert to devm_kzalloc()

Saves a small amount of code and reduces the potential for leaks.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c
index 6790a812a1db..fa8b3900d981 100644
--- a/drivers/input/misc/wm831x-on.c
+++ b/drivers/input/misc/wm831x-on.c
@@ -76,7 +76,8 @@ static int __devinit wm831x_on_probe(struct platform_device *pdev)
         int irq = wm831x_irq(wm831x, platform_get_irq(pdev, 0));
         int ret;
 
-        wm831x_on = kzalloc(sizeof(struct wm831x_on), GFP_KERNEL);
+        wm831x_on = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_on),
+                                 GFP_KERNEL);
         if (!wm831x_on) {
                 dev_err(&pdev->dev, "Can't allocate data\n");
                 return -ENOMEM;
@@ -120,7 +121,6 @@ err_irq:
 err_input_dev:
         input_free_device(wm831x_on->dev);
 err:
-        kfree(wm831x_on);
         return ret;
 }
 
@@ -132,7 +132,6 @@ static int __devexit wm831x_on_remove(struct platform_device *pdev)
         free_irq(irq, wm831x_on);
         cancel_delayed_work_sync(&wm831x_on->work);
         input_unregister_device(wm831x_on->dev);
-        kfree(wm831x_on);
 
         return 0;
 }