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[v3,13/35] maple_tree: Use MAS_WR_BUG_ON() in mas_store_prealloc()

Message ID 20230512182036.359030-14-Liam.Howlett@oracle.com (mailing list archive)
State New
Headers show
Series Maple tree mas_{next,prev}_range() and cleanup | expand

Commit Message

Liam R. Howlett May 12, 2023, 6:20 p.m. UTC 
mas_store_prealloc() should never fail, but if it does due to internal
tree issues then get as much debug information as possible prior to
crashing the kernel.

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

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 824967872d426..d5ccf7bcf3b5d 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -5761,7 +5761,7 @@  void mas_store_prealloc(struct ma_state *mas, void *entry)
 	mas_wr_store_setup(&wr_mas);
 	trace_ma_write(__func__, mas, 0, entry);
 	mas_wr_store_entry(&wr_mas);
-	BUG_ON(mas_is_err(mas));
+	MAS_WR_BUG_ON(&wr_mas, mas_is_err(mas));
 	mas_destroy(mas);
 }
 EXPORT_SYMBOL_GPL(mas_store_prealloc);