From: Julia Lawall <julia.lawall@xxxxxxx>
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@xxxxxxx>
---
sound/soc/au1x/dma.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/sound/soc/au1x/dma.c b/sound/soc/au1x/dma.c
index c4017bd..0a91b18 100644
--- a/sound/soc/au1x/dma.c
+++ b/sound/soc/au1x/dma.c
@@ -325,27 +325,19 @@ static struct snd_soc_platform_driver alchemy_pcm_soc_platform = {
static int __devinit alchemy_pcm_drvprobe(struct platform_device *pdev)
{
struct alchemy_pcm_ctx *ctx;
- int ret;
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
platform_set_drvdata(pdev, ctx);
- ret = snd_soc_register_platform(&pdev->dev, &alchemy_pcm_soc_platform);
- if (ret)
- kfree(ctx);
-
- return ret;
+ return snd_soc_register_platform(&pdev->dev, &alchemy_pcm_soc_platform);
}
static int __devexit alchemy_pcm_drvremove(struct platform_device *pdev)
{
- struct alchemy_pcm_ctx *ctx = platform_get_drvdata(pdev);
-
snd_soc_unregister_platform(&pdev->dev);
- kfree(ctx);
return 0;
}
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