f2fs: fix double free of unicode map

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In case of retrying fill_super with skip_recovery,
s_encoding for casefold would not be loaded again even though it's
already been freed because it's not NULL.
Set NULL after free to prevent double freeing when unmount.

Fixes: eca4873ee1 ("f2fs: Use generic casefolding support")
Signed-off-by: Hyeongseok Kim <hyeongseok@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Hyeongseok Kim 2020-11-12 18:14:54 +09:00 • committed by Jaegeuk Kim

parent 34178b1bc4

commit 89ff600503

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fs/f2fs/super.c

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