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>

diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index 3006b51..6f61e21 100644 (file)
--- 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;
        }