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| author | H. Peter Anvin <hpa@zytor.com> | 2008-10-03 10:22:33 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-03 10:22:33 -0700 |
| commit | 98920dc3d1113b883cbc73e3293446d3525c6042 (patch) | |
| tree | a8f9dbd93507b97520c64b82b524a879f7e8a6d5 | |
| parent | 6cdcdb99cf7c2e1835fc5b471864d21161c3e679 (diff) | |
Revert "x86: fix ghost EDD devices in /sys again"
This reverts commit 464f04c9e9b3b1c4f5ffb89c51d8ba2a2034c846.
Obsoleted by commit 6cdcdb99cf7c2e1835fc5b471864d21161c3e679.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| -rw-r--r-- | arch/x86/boot/edd.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/boot/edd.c b/arch/x86/boot/edd.c index 067e28cd3c5..1aae8f3e5ca 100644 --- a/arch/x86/boot/edd.c +++ b/arch/x86/boot/edd.c @@ -32,9 +32,7 @@ static int read_mbr(u8 devno, void *buf) : "+a" (ax), "+c" (cx), "+d" (dx), "+b" (bx) : : "esi", "edi", "memory"); - /* Some BIOSes do not set carry flag on error but still return - * error in AH. The condition below is expected to catch both */ - return -!!ax; /* 0 or -1 */ + return -(u8)ax; /* 0 or -1 */ } static u32 read_mbr_sig(u8 devno, struct edd_info *ei, u32 *mbrsig) |