Re: [PATCH 02/19] cifs: remove useless memset in LANMAN auth code

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2013/5/23 Jeff Layton <jlayton@xxxxxxxxxx>:
> It turns out that CIFS_SESS_KEY_SIZE == CIFS_ENCPWD_SIZE, so this
> memset doesn't do anything useful.
>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
>  fs/cifs/cifsencrypt.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
> index 71436d1..a85a83d 100644
> --- a/fs/cifs/cifsencrypt.c
> +++ b/fs/cifs/cifsencrypt.c
> @@ -276,7 +276,6 @@ int calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt,
>                 strncpy(password_with_pad, password, CIFS_ENCPWD_SIZE);
>
>         if (!encrypt && global_secflags & CIFSSEC_MAY_PLNTXT) {
> -               memset(lnm_session_key, 0, CIFS_SESS_KEY_SIZE);
>                 memcpy(lnm_session_key, password_with_pad,
>                         CIFS_ENCPWD_SIZE);
>                 return 0;
> --
> 1.8.1.4
>
> --
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Acked-by: Pavel Shilovsky <piastry@xxxxxxxxxxx>


--
Best regards,
Pavel Shilovsky.
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