ARM: zx: Fix error handling

'devm_ioremap_resource()' returns an error pointer in case of error, not
NULL. So test it with IS_ERR.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c
index e08574d4e2ca..79dcf2549267 100644
--- a/arch/arm/mach-zx/zx296702-pm-domain.c
+++ b/arch/arm/mach-zx/zx296702-pm-domain.c
@@ -169,7 +169,7 @@ static int zx296702_pd_probe(struct platform_device *pdev)
         }
 
         pcubase = devm_ioremap_resource(&pdev->dev, res);
-        if (!pcubase) {
+        if (IS_ERR(pcubase)) {
                 dev_err(&pdev->dev, "ioremap fail.\n");
                 return -EIO;
         }