[PATCH] powerpc/fsl_msi : return proper error value when ioremap failed.

[soniccat.liu at gmail.com]

From: Liu Shuo <soniccat.liu at gmail.com>

Signed-off-by: Liu Shuo <soniccat.liu at gmail.com>
---
 arch/powerpc/sysdev/fsl_msi.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index ecb5c19..0bab156 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -410,6 +410,7 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev)
 
 		msi->msi_regs = ioremap(res.start, resource_size(&res));
 		if (!msi->msi_regs) {
+			err = -ENOMEM;
 			dev_err(&dev->dev, "could not map node %s\n",
 				dev->dev.of_node->full_name);
 			goto error_out;
-- 
1.7.4.1