strncmp(mdstat->metadata_version, "external:", 9) == 0 &&
strchr("/-", mdstat->metadata_version[9]) != NULL &&
strncmp(mdstat->metadata_version+10, "md", 2) == 0 &&
- strtoul(mdstat->metadata_version+11, &pos, 10)
+ strtoul(mdstat->metadata_version+12, &pos, 10)
== (unsigned)container &&
- pos > mdstat->metadata_version+11 &&
+ pos > mdstat->metadata_version+12 &&
*pos == '/' &&
strcmp(pos+1, subdev) == 0
) {