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

Signed-off-by: Liu Shuo <soniccat.liu@gmail.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index ecb5c1946d22..0bab15626ee2 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;