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| author | H. Peter Anvin <hpa@linux.intel.com> | 2009-04-14 12:01:07 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-04-14 12:01:07 -0700 |
| commit | 62ffbac86c660e537af0be0fb1c7457ee25bf53e (patch) | |
| tree | dabc313a92d0e31dbd9778ab3199600dca1f8897 | |
| parent | d05f79f204be71f7e60137b0cdc7bd69d30b7109 (diff) | |
| download | syslinux-62ffbac86c660e537af0be0fb1c7457ee25bf53e.tar.gz | |
MEMDISK: fix MBR geometry extraction
Fix the MBR geometry extraction; there was an off-by-2 error in the
MBR signature offset.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | memdisk/setup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/memdisk/setup.c b/memdisk/setup.c index 0fee9820..6507e563 100644 --- a/memdisk/setup.c +++ b/memdisk/setup.c @@ -565,7 +565,7 @@ const struct geometry *get_disk_image_geometry(uint32_t where, uint32_t size) hd_geometry.driveno = 0x80; /* Assume hard disk */ - if (*(uint16_t *)((char *)where+512) == 0xaa55) + if (*(uint16_t *)((char *)where+512-2) == 0xaa55) for ( i = 0 ; i < 4 ; i++ ) { if ( ptab[i].type && !(ptab[i].active & 0x7f) ) { s = (ptab[i].start_s & 0x3f); |