From 98920dc3d1113b883cbc73e3293446d3525c6042 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Fri, 3 Oct 2008 10:22:33 -0700 Subject: [PATCH] Revert "x86: fix ghost EDD devices in /sys again" This reverts commit 464f04c9e9b3b1c4f5ffb89c51d8ba2a2034c846. Obsoleted by commit 6cdcdb99cf7c2e1835fc5b471864d21161c3e679. Signed-off-by: H. Peter Anvin --- arch/x86/boot/edd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/boot/edd.c b/arch/x86/boot/edd.c index 067e28c..1aae8f3 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) -- 2.7.4