linux-kernel - [PATCH 20/34] maple_tree: Remove unnecessary check from mas

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Message-Id: <20230425140955.3834476-21-Liam.Howlett@oracle.com>
Date:   Tue, 25 Apr 2023 10:09:41 -0400
From:   "Liam R. Howlett" <Liam.Howlett@...cle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        maple-tree@...ts.infradead.org,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>
Subject: [PATCH 20/34] maple_tree: Remove unnecessary check from mas_destroy()

mas_destroy currently checks if mas->node is MAS_START prior to calling
mas_start(), but this is unnecessary as mas_start() will do nothing if
the node is anything but MAS_START.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 lib/maple_tree.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 89e30462f8b62..35c6e12ca9482 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -5817,9 +5817,7 @@ void mas_destroy(struct ma_state *mas)
 	if (mas->mas_flags & MA_STATE_REBALANCE) {
 		unsigned char end;
 
-		if (mas_is_start(mas))
-			mas_start(mas);
-
+		mas_start(mas);
 		mtree_range_walk(mas);
 		end = mas_data_end(mas) + 1;
 		if (end < mt_min_slot_count(mas->node) - 1)
-- 
2.39.2