1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 4ca7fd6118d5..5dea3584c6c2 100644
--- 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);