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Subject[PATCH -next v2] arm*/efi: efi_init error handling fix
Date
There's an early memmap leak in efi_init error path, fix it.

Signed-off-by: Yisheng Xie <xieyisheng1@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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