2023-05-12 18:31:29

by Liam R. Howlett

[permalink] [raw]
Subject: [PATCH v3 13/35] maple_tree: Use MAS_WR_BUG_ON() in mas_store_prealloc()

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 <[email protected]>
---
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 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);
--
2.39.2