diff options
| -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 067e28cd3c5f..1aae8f3e5ca1 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) | |||
| 32 | : "+a" (ax), "+c" (cx), "+d" (dx), "+b" (bx) | 32 | : "+a" (ax), "+c" (cx), "+d" (dx), "+b" (bx) |
| 33 | : : "esi", "edi", "memory"); | 33 | : : "esi", "edi", "memory"); |
| 34 | 34 | ||
| 35 | /* Some BIOSes do not set carry flag on error but still return | 35 | return -(u8)ax; /* 0 or -1 */ |
| 36 | * error in AH. The condition below is expected to catch both */ | ||
| 37 | return -!!ax; /* 0 or -1 */ | ||
| 38 | } | 36 | } |
| 39 | 37 | ||
| 40 | static u32 read_mbr_sig(u8 devno, struct edd_info *ei, u32 *mbrsig) | 38 | static u32 read_mbr_sig(u8 devno, struct edd_info *ei, u32 *mbrsig) |