From patchwork Thu Dec 20 15:52:44 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: uefi: uefirtvariable: use sizeof() for finding the bit size of long integer Date: Thu, 20 Dec 2012 05:52:44 -0000 From: Keng-Yu Lin X-Patchwork-Id: 207678 Message-Id: <1356018764-26953-1-git-send-email-kengyu@canonical.com> To: fwts-devel@lists.ubuntu.com The size of long integer can vary on different architectures. The patch uses sizeof() to find the bit size of the long integer rather than a fixed value. This also matches the definition in Linux kernel's efi.h. Signed-off-by: Keng-Yu Lin Acked-by: Ivan Hu --- src/uefi/uefirtvariable/uefirtvariable.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/uefi/uefirtvariable/uefirtvariable.c b/src/uefi/uefirtvariable/uefirtvariable.c index 1599c5b..0459160 100644 --- a/src/uefi/uefirtvariable/uefirtvariable.c +++ b/src/uefi/uefirtvariable/uefirtvariable.c @@ -40,8 +40,10 @@ 0xDD, 0xB7, 0x11, 0xD0, 0x6E} \ } +#define BITS_PER_LONG (sizeof(long) * 8) + #define EFI_SUCCESS 0 -#define EFI_NOT_FOUND (14 | (1UL << 63)) +#define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1))) #define MAX_DATA_LENGTH 1024