[PATCH] regulator: wm831x-dcdc: Use devm_kzalloc

From: Axel Lin
Date: Fri Mar 23 2012 - 05:00:09 EST


Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
---
drivers/regulator/wm831x-dcdc.c | 9 ++-------
1 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 4904a40..909c53b 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -848,7 +848,7 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
if (pdata == NULL || pdata->dcdc[id] == NULL)
return -ENODEV;

- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc), GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
@@ -897,7 +897,6 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
err_regulator:
regulator_unregister(dcdc->regulator);
err:
- kfree(dcdc);
return ret;
}

@@ -909,7 +908,6 @@ static __devexit int wm831x_boostp_remove(struct platform_device *pdev)

free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
regulator_unregister(dcdc->regulator);
- kfree(dcdc);

return 0;
}
@@ -952,7 +950,7 @@ static __devinit int wm831x_epe_probe(struct platform_device *pdev)
if (pdata == NULL || pdata->epe[id] == NULL)
return -ENODEV;

- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc), GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
@@ -984,7 +982,6 @@ static __devinit int wm831x_epe_probe(struct platform_device *pdev)
return 0;

err:
- kfree(dcdc);
return ret;
}

@@ -993,9 +990,7 @@ static __devexit int wm831x_epe_remove(struct platform_device *pdev)
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);

platform_set_drvdata(pdev, NULL);
-
regulator_unregister(dcdc->regulator);
- kfree(dcdc);

return 0;
}
--
1.7.5.4



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