mfd: Fix pcap_add_subdev error path

1. return -ENOMEM if platform_device_alloc() fail.
2. call platform_device_put() if platform_device_add() fail.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Axel Lin 2010-08-24 13:45:49 +08:00 committed by Samuel Ortiz
parent b59cedeffa
commit 09ff21e0f6

View File

@ -384,12 +384,20 @@ static int __devinit pcap_add_subdev(struct pcap_chip *pcap,
struct pcap_subdev *subdev)
{
struct platform_device *pdev;
int ret;
pdev = platform_device_alloc(subdev->name, subdev->id);
if (!pdev)
return -ENOMEM;
pdev->dev.parent = &pcap->spi->dev;
pdev->dev.platform_data = subdev->platform_data;
return platform_device_add(pdev);
ret = platform_device_add(pdev);
if (ret)
platform_device_put(pdev);
return ret;
}
static int __devexit ezx_pcap_remove(struct spi_device *spi)