linux-kernel - [PATCH v3 19/30] maple_tree: Remove unnecessary return statements

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Message-ID: <20260130205935.2559335-20-Liam.Howlett@oracle.com>
Date: Fri, 30 Jan 2026 15:59:24 -0500
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: maple-tree@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Suren Baghdasaryan <surenb@...gle.com>,
        Matthew Wilcox <willy@...radead.org>,
        Sidhartha Kumar <sidhartha.kumar@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Alice Ryhl <aliceryhl@...gle.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>, Christian Kujau <lists@...dbynature.de>,
        SeongJae Park <sj@...nel.org>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>
Subject: [PATCH v3 19/30] maple_tree: Remove unnecessary return statements

Functions do not need to state return at the end, unless skipping
unwind.  These can safely be dropped.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 lib/maple_tree.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index a10f71620e732..4a64b4f37aeb3 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3294,7 +3294,6 @@ static void mas_spanning_rebalance_loop(struct ma_state *mas,
 	mas->offset = mast->l->offset;
 	mas_wmb_replace(mas, old_enode, new_height);
 	mtree_range_walk(mas);
-	return;
 }
 
 /*
@@ -3718,7 +3717,6 @@ static void mas_split(struct ma_state *mas, struct maple_big_node *b_node)
 	mas->node = l_mas.node;
 	mas_wmb_replace(mas, old, height);
 	mtree_range_walk(mas);
-	return;
 }
 
 /*
@@ -3779,7 +3777,6 @@ static inline void mas_root_expand(struct ma_state *mas, void *entry)
 	ma_set_meta(node, maple_leaf_64, 0, slot);
 	/* swap the new root into the tree */
 	rcu_assign_pointer(mas->tree->ma_root, mte_mk_root(mas->node));
-	return;
 }
 
 /*
@@ -4051,8 +4048,6 @@ static inline void mas_new_root(struct ma_state *mas, void *entry)
 done:
 	if (xa_is_node(root))
 		mte_destroy_walk(root, mas->tree);
-
-	return;
 }
 /*
  * mas_wr_spanning_store() - Create a subtree with the store operation completed
@@ -4215,7 +4210,6 @@ static inline void mas_wr_node_store(struct ma_wr_state *wr_mas,
 	trace_ma_write(TP_FCT, mas, 0, wr_mas->entry);
 	mas_update_gap(mas);
 	mas->end = new_end;
-	return;
 }
 
 /*
@@ -4263,8 +4257,6 @@ static inline void mas_wr_slot_store(struct ma_wr_state *wr_mas)
 	 */
 	if (!wr_mas->entry || gap)
 		mas_update_gap(mas);
-
-	return;
 }
 
 static inline void mas_wr_extend_null(struct ma_wr_state *wr_mas)
@@ -4378,7 +4370,6 @@ static inline void mas_wr_append(struct ma_wr_state *wr_mas,
 
 	mas->end = new_end;
 	trace_ma_write(TP_FCT, mas, new_end, wr_mas->entry);
-	return;
 }
 
 /*
@@ -4437,8 +4428,6 @@ static inline void mas_wr_store_entry(struct ma_wr_state *wr_mas)
 	case wr_invalid:
 		MT_BUG_ON(mas->tree, 1);
 	}
-
-	return;
 }
 
 static inline void mas_wr_prealloc_setup(struct ma_wr_state *wr_mas)
-- 
2.47.3