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 <[email protected]> Cc: Alan Cox <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
kyagi · Oct 3, 2007 · 991bf52 · 991bf52
1 parent 90925d3
commit 991bf52
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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);