linux-kernel - Re: [PATCH] cifs: remove redundant initialization to variable mnt_sign

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Message-ID: <CAH2r5mucQ9LRBO9Kw6dEeSG=fWsbUnOv=C9b5Bp+fZg_Ox-7-w@mail.gmail.com>
Date:   Sat, 2 Jul 2022 23:28:17 -0500
From:   Steve French <smfrench@...il.com>
To:     Colin Ian King <colin.i.king@...il.com>
Cc:     Steve French <sfrench@...ba.org>,
        CIFS <linux-cifs@...r.kernel.org>,
        samba-technical <samba-technical@...ts.samba.org>,
        kernel-janitors <kernel-janitors@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cifs: remove redundant initialization to variable mnt_sign_enabled

merged into cifs-2.6.git for-next

On Tue, Jun 28, 2022 at 4:40 PM Colin Ian King <colin.i.king@...il.com> wrote:
>
> Variable mnt_sign_enabled is being initialized with a value that
> is never read, it is being reassigned later on with a different
> value. The initialization is redundant and can be removed.
>
> Cleans up clang scan-build warning:
> fs/cifs/cifssmb.c:465:7: warning: Value stored to 'mnt_sign_enabled
>  during its initialization is never read
>
> Signed-off-by: Colin Ian King <colin.i.king@...il.com>
> ---
>  fs/cifs/cifssmb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
> index 6371b9eebdad..9ed21752f2df 100644
> --- a/fs/cifs/cifssmb.c
> +++ b/fs/cifs/cifssmb.c
> @@ -462,7 +462,7 @@ cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required)
>  {
>         bool srv_sign_required = server->sec_mode & server->vals->signing_required;
>         bool srv_sign_enabled = server->sec_mode & server->vals->signing_enabled;
> -       bool mnt_sign_enabled = global_secflags & CIFSSEC_MAY_SIGN;
> +       bool mnt_sign_enabled;
>
>         /*
>          * Is signing required by mnt options? If not then check
> --
> 2.35.3
>


-- 
Thanks,

Steve