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| author | Axel Lin <axel.lin@gmail.com> | 2010-08-24 13:45:49 +0800 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2010-10-29 00:28:58 +0200 |
| commit | 09ff21e0f670a71ea43765cedaab9246fd81540e (patch) | |
| tree | 01b470a4d2d5849fcf8cee5175fcb946bd40c065 /drivers/mfd/ezx-pcap.c | |
| parent | b59cedeffaef54dd091baf01fd5e276ac50a3176 (diff) | |
| download | linux-09ff21e0f670a71ea43765cedaab9246fd81540e.tar.gz linux-09ff21e0f670a71ea43765cedaab9246fd81540e.tar.bz2 linux-09ff21e0f670a71ea43765cedaab9246fd81540e.zip | |
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>
Diffstat (limited to 'drivers/mfd/ezx-pcap.c')
| -rw-r--r-- | drivers/mfd/ezx-pcap.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c index 134c69aa4790..d283d77937b9 100644 --- a/drivers/mfd/ezx-pcap.c +++ b/drivers/mfd/ezx-pcap.c @@ -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) |