spi: fix return value check in ce4100_spi_probe()

In case of error, the function platform_device_register_full()
returns ERR_PTR() and never returns NULL. The NULL test in the
return value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 364964d..0a11dcf 100644 (file)
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -47,8 +47,8 @@ static int ce4100_spi_probe(struct pci_dev *dev,
        pi.size_data = sizeof(spi_pdata);
 
        pdev = platform_device_register_full(&pi);
-       if (!pdev)
-               return -ENOMEM;
+       if (IS_ERR(pdev))
+               return PTR_ERR(pdev);
 
        pci_set_drvdata(dev, pdev);