diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 22fd19c..89aa7ac9 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -820,8 +820,8 @@ static int autoresize(struct ubi_device *ubi, int vol_id)
 		err = ubi_resize_volume(&desc,
 					old_reserved_pebs + ubi->avail_pebs);
 		if (err)
-			ubi_err(ubi, "cannot auto-resize volume %d",
-				vol_id);
+			ubi_err(ubi, "cannot auto-resize volume %d: %d",
+				vol_id, err);
 	}
 
 	if (err)
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 1ae17bb..7be6fa3 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -498,8 +498,10 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
 	if (pebs < 0) {
 		for (i = 0; i < -pebs; i++) {
 			err = ubi_eba_unmap_leb(ubi, vol, reserved_pebs + i);
-			if (err)
+			if (err) {
+				ubi_err(ubi, "unable to unmap LEB");
 				goto out_acc;
+			}
 		}
 		spin_lock(&ubi->volumes_lock);
 		ubi->rsvd_pebs += pebs;