[PATCH] Input: da9052_onkey: Convert to managed resources

From: Vaishali Thakkar
Date: Sun Jul 26 2015 - 22:56:28 EST


Use managed resource functions devm_input_allocate_device and
devm_kzalloc. To be compatible with the change, replace various
gotos by direct returns and drop unneeded labels.

Signed-off-by: Vaishali Thakkar <vthakkar1994@xxxxxxxxx>
---
drivers/input/misc/da9052_onkey.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/input/misc/da9052_onkey.c b/drivers/input/misc/da9052_onkey.c
index 266e07f..3243fe9 100644
--- a/drivers/input/misc/da9052_onkey.c
+++ b/drivers/input/misc/da9052_onkey.c
@@ -84,12 +84,11 @@ static int da9052_onkey_probe(struct platform_device *pdev)
return -EINVAL;
}

- onkey = kzalloc(sizeof(*onkey), GFP_KERNEL);
- input_dev = input_allocate_device();
+ onkey = devm_kzalloc(&pdev->dev, sizeof(*onkey), GFP_KERNEL);
+ input_dev = devm_input_allocate_device(&pdev->dev);
if (!onkey || !input_dev) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
- error = -ENOMEM;
- goto err_free_mem;
+ return -ENOMEM;
}

onkey->input = input_dev;
@@ -108,7 +107,7 @@ static int da9052_onkey_probe(struct platform_device *pdev)
if (error < 0) {
dev_err(onkey->da9052->dev,
"Failed to register ONKEY IRQ: %d\n", error);
- goto err_free_mem;
+ return error;
}

error = input_register_device(onkey->input);
@@ -124,9 +123,6 @@ static int da9052_onkey_probe(struct platform_device *pdev)
err_free_irq:
da9052_free_irq(onkey->da9052, DA9052_IRQ_NONKEY, onkey);
cancel_delayed_work_sync(&onkey->work);
-err_free_mem:
- input_free_device(input_dev);
- kfree(onkey);

return error;
}
@@ -138,9 +134,6 @@ static int da9052_onkey_remove(struct platform_device *pdev)
da9052_free_irq(onkey->da9052, DA9052_IRQ_NONKEY, onkey);
cancel_delayed_work_sync(&onkey->work);

- input_unregister_device(onkey->input);
- kfree(onkey);
-
return 0;
}

--
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/