UBI: Fastmap: Care about the protection queue

Fastmap can miss a PEB if it is in the protection queue
and not jet in the used tree.
Treat every protected PEB as used.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

drivers/mtd/ubi/fastmap.c

@@ -1196,6 +1196,19 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
 		fm_pos += sizeof(*fec);
 		ubi_assert(fm_pos <= ubi->fm_size);
 	}
+
+	for (i = 0; i < UBI_PROT_QUEUE_LEN; i++) {
+		list_for_each_entry(wl_e, &ubi->pq[i], u.list) {
+			fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
+
+			fec->pnum = cpu_to_be32(wl_e->pnum);
+			fec->ec = cpu_to_be32(wl_e->ec);
+
+			used_peb_count++;
+			fm_pos += sizeof(*fec);
+			ubi_assert(fm_pos <= ubi->fm_size);
+		}
+	}
 	fmh->used_peb_count = cpu_to_be32(used_peb_count);
 
 	for (node = rb_first(&ubi->scrub); node; node = rb_next(node)) {