commit 991bf528f602882580d0918842b125255d246a19
author Scott Thompson <postfailathushmaildotcom@yahoo.com> Tue Oct 02 13:53:01 2007 -0700
committer Jeff Garzik <jeff@garzik.org> Wed Oct 03 14:43:28 2007 -0400
tree da7440bc639576592f16d2c801c7d9c4b9b64525
parent 90925d3050253ff7b4f5d1660071df75f44bd0ff

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>

drivers/ata/pata_ixp4xx_cf.c

diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 4ca7fd6..5dea358 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -189,6 +189,9 @@
 	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);