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>

diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c
index 6790a81..fa8b390 100644 (file)
--- 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;
 }