mips: Vr41xx: add missing iounmap() on error in vr41xx_pciu_init()

add missing iounmap() of pciu_base on error when failed to init
io_map_base.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c
index 1fa4e101470cf0168bdeee0d6dc63f79090e9f6c..4f250c55b6e6270250c8eac7598b0aa1ed9b51e9 100644 (file)
--- a/arch/mips/pci/pci-vr41xx.c
+++ b/arch/mips/pci/pci-vr41xx.c
@@ -293,8 +293,10 @@ static int __init vr41xx_pciu_init(void)
                master = setup->master_io;
                io_map_base = ioremap(master->bus_base_address,
                                      resource_size(res));
-               if (!io_map_base)
+               if (!io_map_base) {
+                       iounmap(pciu_base);
                        return -EBUSY;
+               }
 
                vr41xx_pci_controller.io_map_base = (unsigned long)io_map_base;
        }