The patch titled
Subject: maple_tree: remove a BUG_ON() in mas_alloc_nodes()
has been added to the -mm mm-unstable branch. Its filename is
maple_tree-remove-a-bug_on-in-mas_alloc_nodes.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-remove-a-bug_on-in-mas_alloc_nodes.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Petr Tesarik <ptesarik@xxxxxxxx>
Subject: maple_tree: remove a BUG_ON() in mas_alloc_nodes()
Date: Thu, 13 Feb 2025 12:44:53 +0100
Remove a BUG_ON() right before a WARN_ON() with the same condition.
Calling WARN_ON() and BUG_ON() here is definitely wrong. Since the goal is
generally to remove BUG_ON() invocations from the kernel, keep only the
WARN_ON().
Link: https://lkml.kernel.org/r/20250213114453.1078318-1-ptesarik@xxxxxxxx
Fixes: 067311d33e65 ("maple_tree: separate ma_state node from status")
Signed-off-by: Petr Tesarik <ptesarik@xxxxxxxx>
Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 1 -
1 file changed, 1 deletion(-)
--- a/lib/maple_tree.c~maple_tree-remove-a-bug_on-in-mas_alloc_nodes
+++ a/lib/maple_tree.c
@@ -1242,7 +1242,6 @@ static inline void mas_alloc_nodes(struc
if (mas->mas_flags & MA_STATE_PREALLOC) {
if (allocated)
return;
- BUG_ON(!allocated);
WARN_ON(!allocated);
}
_
Patches currently in -mm which might be from ptesarik@xxxxxxxx are
maple_tree-remove-a-bug_on-in-mas_alloc_nodes.patch
