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ASoC: davinci-vcif.c: use devm_ functions

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The various devm_ functions allocate memory that is released when a driver
detaches.  This patch uses devm_kzalloc, devm_request_mem_region and
devm_ioremap for data that is allocated in the probe function of a platform
device and is only freed in the remove function.

Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Julia Lawall 2011-12-29 17:51:20 +01:00 committed by Mark Brown
parent 6945e9f9df
commit a3bb8f3f81
1 changed files with 4 additions and 10 deletions
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14
sound/soc/davinci/davinci-vcif.c
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@ -210,7 +210,9 @@ static int davinci_vcif_probe(struct platform_device *pdev)
struct davinci_vcif_dev *davinci_vcif_dev;
int ret;
davinci_vcif_dev = kzalloc(sizeof(struct davinci_vcif_dev), GFP_KERNEL);
davinci_vcif_dev = devm_kzalloc(&pdev->dev,
sizeof(struct davinci_vcif_dev),
GFP_KERNEL);
if (!davinci_vcif_dev) {
dev_dbg(&pdev->dev,
"could not allocate memory for private data\n");
@ -235,23 +237,15 @@ static int davinci_vcif_probe(struct platform_device *pdev)
ret = snd_soc_register_dai(&pdev->dev, &davinci_vcif_dai);
if (ret != 0) {
dev_err(&pdev->dev, "could not register dai\n");
goto fail;
return ret;
}
return 0;
fail:
kfree(davinci_vcif_dev);
return ret;
}
static int davinci_vcif_remove(struct platform_device *pdev)
{
struct davinci_vcif_dev *davinci_vcif_dev = dev_get_drvdata(&pdev->dev);
snd_soc_unregister_dai(&pdev->dev);
kfree(davinci_vcif_dev);
return 0;
}