diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 7ff473c..8d659e6 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -431,7 +431,7 @@
 	 * Create one workqueue per volume (per registered block device).
 	 * Rembember workqueues are cheap, they're not threads.
 	 */
-	dev->wq = alloc_workqueue(gd->disk_name, 0, 0);
+	dev->wq = alloc_workqueue("%s", 0, 0, gd->disk_name);
 	if (!dev->wq)
 		goto out_free_queue;
 	INIT_WORK(&dev->work, ubiblock_do_work);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 02317c1..0f3425d 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -671,6 +671,8 @@
 
 	e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
 	self_check_in_wl_tree(ubi, e, &ubi->free);
+	ubi->free_count--;
+	ubi_assert(ubi->free_count >= 0);
 	rb_erase(&e->u.rb, &ubi->free);
 
 	return e;
@@ -684,6 +686,9 @@
 	peb = __wl_get_peb(ubi);
 	spin_unlock(&ubi->wl_lock);
 
+	if (peb < 0)
+		return peb;
+
 	err = ubi_self_check_all_ff(ubi, peb, ubi->vid_hdr_aloffset,
 				    ubi->peb_size - ubi->vid_hdr_aloffset);
 	if (err) {
@@ -1068,6 +1073,7 @@
 
 			/* Give the unused PEB back */
 			wl_tree_add(e2, &ubi->free);
+			ubi->free_count++;
 			goto out_cancel;
 		}
 		self_check_in_wl_tree(ubi, e1, &ubi->used);
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index a126608..a81c7b5 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1556,7 +1556,7 @@
 	if (c->space_fixup) {
 		err = ubifs_fixup_free_space(c);
 		if (err)
-			return err;
+			goto out;
 	}
 
 	err = check_free_space(c);