drivers/ata/pata_ixp4xx_cf.c: ioremap return code check

Add missing ioremap return checks.

Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
Acked-by: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 4ca7fd6118d50f6d52a1b7c464d1266614282b2d..5dea3584c6c2fc439846b190b2d3627bf22a6156 100644 (file)
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -189,6 +189,9 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
        data->cs0 = devm_ioremap(&pdev->dev, cs0->start, 0x1000);
        data->cs1 = devm_ioremap(&pdev->dev, cs1->start, 0x1000);
 
+       if (!data->cs0 || !data->cs1)
+               return -ENOMEM;
+
        irq = platform_get_irq(pdev, 0);
        if (irq)
                set_irq_type(irq, IRQT_RISING);