On Fri, Sep 02, 2016 at 06:18:39PM +0800, Xie Yisheng wrote:
> From: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
>
> There's an early memmap leak in efi_init error path, fix it.
>
> Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
> ---
> drivers/firmware/efi/arm-init.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
Adding linux-efi, Ard and Matt. Please try to CC the relevant people in
future.
Will
> diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c
> index c49d50e..5080e40 100644
> --- a/drivers/firmware/efi/arm-init.c
> +++ b/drivers/firmware/efi/arm-init.c
> @@ -243,8 +243,10 @@ void __init efi_init(void)
> "Unexpected EFI_MEMORY_DESCRIPTOR version %ld",
> efi.memmap.desc_version);
>
> - if (uefi_init() < 0)
> + if (uefi_init() < 0) {
> + early_memunmap(efi.memmap.map, params.mmap_size);
> return;
> + }
>
> reserve_regions();
> efi_memattr_init();
> --
> 1.7.12.4
>
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