diff options
Diffstat (limited to 'arch/i386/boot/edd.S')
-rw-r--r-- | arch/i386/boot/edd.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/i386/boot/edd.S b/arch/i386/boot/edd.S index d8d69f2b911d..4b84ea216f2b 100644 --- a/arch/i386/boot/edd.S +++ b/arch/i386/boot/edd.S | |||
@@ -76,6 +76,8 @@ edd_mbr_sig_read: | |||
76 | popw %es | 76 | popw %es |
77 | popw %bx | 77 | popw %bx |
78 | jc edd_mbr_sig_done # on failure, we're done. | 78 | jc edd_mbr_sig_done # on failure, we're done. |
79 | cmpb $0, %ah # some BIOSes do not set CF | ||
80 | jne edd_mbr_sig_done # on failure, we're done. | ||
79 | movl (EDDBUF+EDD_MBR_SIG_OFFSET), %eax # read sig out of the MBR | 81 | movl (EDDBUF+EDD_MBR_SIG_OFFSET), %eax # read sig out of the MBR |
80 | movl %eax, (%bx) # store success | 82 | movl %eax, (%bx) # store success |
81 | incb (EDD_MBR_SIG_NR_BUF) # note that we stored something | 83 | incb (EDD_MBR_SIG_NR_BUF) # note that we stored something |