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imsm: verify single sector mpb checksums 

If the mpb is only one sector do not skip the checksum verification.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2009-02-24 18:45:56 -07:00
parent 0556e1a2b1
commit ecf45690f2
1 changed files with 11 additions and 0 deletions
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11
super-intel.c
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@ -1779,6 +1779,17 @@ static int load_imsm_mpb(int fd, struct intel_super *super, char *devname)
sectors = mpb_sectors(anchor) - 1;
free(anchor);
if (!sectors) {
check_sum = __gen_imsm_checksum(super->anchor);
if (check_sum != __le32_to_cpu(super->anchor->check_sum)) {
if (devname)
fprintf(stderr,
Name ": IMSM checksum %x != %x on %s\n",
check_sum,
__le32_to_cpu(super->anchor->check_sum),
devname);
return 2;
}
rc = load_imsm_disk(fd, super, devname, 0);
if (rc == 0)
rc = parse_raid_devices(super);