Merge nommu tree

[sfrench/cifs-2.6.git] / arch / i386 / boot / edd.S

diff --git a/arch/i386/boot/edd.S b/arch/i386/boot/edd.S
index d8d69f2b911d62c909b651de0d9e61a7c7b3b461..4b84ea216f2b81ede738e80206a5fafd8e5ef994 100644 (file)
--- a/arch/i386/boot/edd.S
+++ b/arch/i386/boot/edd.S
@@ -76,6 +76,8 @@ edd_mbr_sig_read:
        popw    %es
        popw    %bx
        jc      edd_mbr_sig_done                # on failure, we're done.
+       cmpb    $0, %ah         # some BIOSes do not set CF
+       jne     edd_mbr_sig_done                # on failure, we're done.
        movl    (EDDBUF+EDD_MBR_SIG_OFFSET), %eax # read sig out of the MBR
        movl    %eax, (%bx)                     # store success
        incb    (EDD_MBR_SIG_NR_BUF)            # note that we stored something