4 files changed, 14 insertions, 11 deletions

diff --git a/lib/genalloc.c b/lib/genalloc.c
index 0c883d6fbd44..6c644f954bc5 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -895,7 +895,7 @@ struct gen_pool *of_gen_pool_get(struct device_node *np,
 
 		of_property_read_string(np_pool, "label", &name);
 		if (!name)
-			name = np_pool->name;
+			name = of_node_full_name(np_pool);
 	}
 	if (pdev)
 		pool = gen_pool_get(&pdev->dev, name);
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index bfffbb7cab26..4dd73cf936a6 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3692,7 +3692,8 @@ static inline int mas_root_expand(struct ma_state *mas, void *entry)
 	mas->offset = slot;
 	pivots[slot] = mas->last;
 	if (mas->last != ULONG_MAX)
-		slot++;
+		pivots[++slot] = ULONG_MAX;
+
 	mas->depth = 1;
 	mas_set_height(mas);
 	ma_set_meta(node, maple_leaf_64, 0, slot);
diff --git a/lib/sbitmap.c b/lib/sbitmap.c
index eff4e42c425a..d0a5081dfd12 100644
--- a/lib/sbitmap.c
+++ b/lib/sbitmap.c
@@ -550,7 +550,7 @@ EXPORT_SYMBOL_GPL(sbitmap_queue_min_shallow_depth);
 
 static void __sbitmap_queue_wake_up(struct sbitmap_queue *sbq, int nr)
 {
-	int i, wake_index;
+	int i, wake_index, woken;
 
 	if (!atomic_read(&sbq->ws_active))
 		return;
@@ -567,13 +567,12 @@ static void __sbitmap_queue_wake_up(struct sbitmap_queue *sbq, int nr)
 		 */
 		wake_index = sbq_index_inc(wake_index);
 
-		/*
-		 * It is sufficient to wake up at least one waiter to
-		 * guarantee forward progress.
-		 */
-		if (waitqueue_active(&ws->wait) &&
-		    wake_up_nr(&ws->wait, nr))
-			break;
+		if (waitqueue_active(&ws->wait)) {
+			woken = wake_up_nr(&ws->wait, nr);
+			if (woken == nr)
+				break;
+			nr -= woken;
+		}
 	}
 
 	if (wake_index != atomic_read(&sbq->wake_index))
diff --git a/lib/test_maple_tree.c b/lib/test_maple_tree.c
index 9939be34e516..8d4c92cbdd0c 100644
--- a/lib/test_maple_tree.c
+++ b/lib/test_maple_tree.c
@@ -1898,13 +1898,16 @@ static noinline void __init next_prev_test(struct maple_tree *mt)
 						   725};
 	static const unsigned long level2_32[] = { 1747, 2000, 1750, 1755,
 						   1760, 1765};
+	unsigned long last_index;
 
 	if (MAPLE_32BIT) {
 		nr_entries = 500;
 		level2 = level2_32;
+		last_index = 0x138e;
 	} else {
 		nr_entries = 200;
 		level2 = level2_64;
+		last_index = 0x7d6;
 	}
 
 	for (i = 0; i <= nr_entries; i++)
@@ -2011,7 +2014,7 @@ static noinline void __init next_prev_test(struct maple_tree *mt)
 
 	val = mas_next(&mas, ULONG_MAX);
 	MT_BUG_ON(mt, val != NULL);
-	MT_BUG_ON(mt, mas.index != 0x7d6);
+	MT_BUG_ON(mt, mas.index != last_index);
 	MT_BUG_ON(mt, mas.last != ULONG_MAX);
 
 	val = mas_prev(&mas, 0);