linux-kernel - [PATCH v2 11/36] maple_tree: Use MAS_BUG_ON() in mas_set

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Date:   Fri,  5 May 2023 13:41:39 -0400
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,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>
Subject: [PATCH v2 11/36] maple_tree: Use MAS_BUG_ON() in mas_set_height()

Use MAS_BUG_ON() instead of MT_BUG_ON() to get the maple state
information.  In the unlikely event of a tree height of > 31, try to
increase the probability of useful information being logged.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 lib/maple_tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index a594f1d88d062..da441042ec8ac 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -194,7 +194,7 @@ static void mas_set_height(struct ma_state *mas)
 	unsigned int new_flags = mas->tree->ma_flags;
 
 	new_flags &= ~MT_FLAGS_HEIGHT_MASK;
-	MT_BUG_ON(mas->tree, mas->depth > MAPLE_HEIGHT_MAX);
+	MAS_BUG_ON(mas, mas->depth > MAPLE_HEIGHT_MAX);
 	new_flags |= mas->depth << MT_FLAGS_HEIGHT_OFFSET;
 	mas->tree->ma_flags = new_flags;
 }
-- 
2.39.2