There's an early memmap leak in efi_init error path, fix it.

Signed-off-by: Yisheng Xie <xieyishe...@huawei.com>
---
 drivers/firmware/efi/arm-init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c
index 9f8d996..7c2fe57 100644
--- a/drivers/firmware/efi/arm-init.c
+++ b/drivers/firmware/efi/arm-init.c
@@ -245,8 +245,10 @@ void __init efi_init(void)
             "Unexpected EFI_MEMORY_DESCRIPTOR version %ld",
              efi.memmap.desc_version);
 
-       if (uefi_init() < 0)
+       if (uefi_init() < 0) {
+               efi_memmap_unmap();
                return;
+       }
 
        reserve_regions();
        efi_memattr_init();
-- 
1.7.12.4

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