Merge "UBI: Fix invalidate_fastmap()"

static int invalidate_fastmap(struct ubi_device *ubi,

			      struct ubi_fastmap_layout *fm)

{

	int ret, i;

	int ret;

	struct ubi_vid_hdr *vh;

	ret = erase_block(ubi, fm->e[0]->pnum);

	vh->sqnum = cpu_to_be64(ubi_next_sqnum(ubi));

	ret = ubi_io_write_vid_hdr(ubi, fm->e[0]->pnum, vh);

	for (i = 0; i < fm->used_blocks; i++)

		ubi_wl_put_fm_peb(ubi, fm->e[i], i, fm->to_be_tortured[i]);

	return ret;

}