findfs: fix LUKS and FAT detection routines; do not exit if corrupted
 FAT fs makes us try to seek past volume

function                                             old     new   delta
volume_id_get_buffer                                 301     327     +26
volume_id_probe_luks                                  79      82      +3
get_attr_volume_id                                    73      65      -8
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 29/-8)              Total: 21 bytes

3 files changed