diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 025d8fe52154..1b0f61233c21 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -716,6 +716,12 @@ add_emeta_page:
 	lm->emeta_bb = geo->nr_luns - i;
 	lm->min_blk_line = 1 + DIV_ROUND_UP(lm->smeta_sec + lm->emeta_sec[0],
 							geo->sec_per_blk);
+	if (lm->min_blk_line > lm->blk_per_line) {
+		pr_err("pblk: config. not supported. Min. LUN in line:%d\n",
+							lm->blk_per_line);
+		ret = -EINVAL;
+		goto fail;
+	}
 
 	ret = pblk_lines_alloc_metadata(pblk);
 	if (ret)