powerpc/6xx: add missing iounmap() on error in hlwd_pic_init()

Add the missing iounmap() before return from hlwd_pic_init()
in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Scott Wood <scottwood@freescale.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 3006b5117ec6..6f61e21b3617 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -181,6 +181,7 @@ struct irq_domain *hlwd_pic_init(struct device_node *np)
                                            &hlwd_irq_domain_ops, io_base);
         if (!irq_domain) {
                 pr_err("failed to allocate irq_domain\n");
+                iounmap(io_base);
                 return NULL;
         }