[PATCH] uefi: uefirtvariable: fix build failure on 32 bit systems

Keng-Yu Lin kengyu at canonical.com
Thu Dec 20 14:23:23 UTC 2012


On Thu, Dec 20, 2012 at 6:36 PM, Colin King <colin.king at canonical.com> wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> Fix build failure on 32 bit systems cause by not using ULL.
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>  src/uefi/uefirtvariable/uefirtvariable.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/uefi/uefirtvariable/uefirtvariable.c b/src/uefi/uefirtvariable/uefirtvariable.c
> index 1599c5b..2a9db0b 100644
> --- a/src/uefi/uefirtvariable/uefirtvariable.c
> +++ b/src/uefi/uefirtvariable/uefirtvariable.c
> @@ -41,7 +41,7 @@
>  }
>
>  #define EFI_SUCCESS            0
> -#define EFI_NOT_FOUND          (14 | (1UL << 63))
> +#define EFI_NOT_FOUND          (14 | (1ULL << 63))
>

from kernel's efi.h

#define EFI_NOT_FOUND           (14 | (1UL << (BITS_PER_LONG-1)))

shall we just mimic the kernel's definition like:

#define BITS_PER_LONG          sizeof(long) * 8
#define EFI_NOT_FOUND          (14 | (1UL << (BITS_PER_LONG-1)))

if it is better this way?

>  #define MAX_DATA_LENGTH                1024
>
> --
> 1.8.0
>
>
> --
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