if (!st) {
/* just look at device... */
lseek(fd, 0, 0);
- } else {
+ } else if (!st->ss->locate_bitmap) {
+ fprintf(stderr, Name ": No bitmap possible with %s metadata\n",
+ st->ss->name);
+ return NULL;
+ } else
st->ss->locate_bitmap(st, fd);
- }
+
ioctl(fd, BLKFLSBUF, 0); /* make sure we read current data */
*stp = st;
} else {