linux-kernel - Re: [PATCH -next] fs-verity: remove unused parameter desc_size in fsverity_create

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Date:   Wed, 18 May 2022 11:05:12 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Zhang Jianhua <chris.zjh@...wei.com>
Cc:     tytso@....edu, linux-fscrypt@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] fs-verity: remove unused parameter desc_size in
 fsverity_create_info()

On Wed, May 18, 2022 at 09:22:56PM +0800, Zhang Jianhua wrote:
> The parameter desc_size in fsverity_create_info() is useless and it is
> not referenced anywhere. The greatest meaning of desc_size here is to
> indecate the size of struct fsverity_descriptor and futher calculate the
> size of signature. However, the desc->sig_size can do it also and it is
> indeed, so remove it.
> 
> Therefore, it is no need to acquire desc_size by fsverity_get_descriptor()
> in ensure_verity_info(), so remove the parameter desc_ret in
> fsverity_get_descriptor() too.
> 
> Signed-off-by: Zhang Jianhua <chris.zjh@...wei.com>
> ---
>  fs/verity/enable.c           |  2 +-
>  fs/verity/fsverity_private.h |  6 ++----
>  fs/verity/open.c             | 12 ++++--------
>  fs/verity/read_metadata.c    |  5 ++---
>  4 files changed, 9 insertions(+), 16 deletions(-)

Applied, thanks!

- Eric