Patch 1 reverts old solution.
Patch 2 provides a new fix method.

https://lore.kernel.org/lkml/20230215022507.2363193-1-chengzhihao1@huawei.com/

Zhihao Cheng (2):
  Revert "ubifs: dirty_cow_znode: Fix memleak in error handling path"
  ubifs: dirty_cow_znode: Fix memleak when insert_old_idx() failed

 fs/ubifs/tnc.c | 142 ++++++++++++++++++++++++++++++-------------------
 1 file changed, 86 insertions(+), 56 deletions(-)

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2.31.1