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

[Qinglang Miao]

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

Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
---
 arch/mips/pci/pci-vr41xx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c
index 1fa4e1014..4f250c55b 100644
--- 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;
 	}
-- 
2.23.0