linux-kernel - Re: [PATCH -next] crypto: streebog

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Date:   Fri, 9 Aug 2019 18:04:45 +0300
From:   Vitaly Chikunov <vt@...linux.org>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH -next] crypto: streebog - remove two unused variables

On Fri, Aug 09, 2019 at 04:49:05PM +0800, YueHaibing wrote:
> crypto/streebog_generic.c:162:17: warning:
>  Pi defined but not used [-Wunused-const-variable=]
> crypto/streebog_generic.c:151:17: warning:
>  Tau defined but not used [-Wunused-const-variable=]
> 
> They are never used, so can be removed.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Reviewed-by: Vitaly Chikunov <vt@...linux.org>

> ---
>  crypto/streebog_generic.c | 46 ----------------------------------------------
>  1 file changed, 46 deletions(-)
> 
> diff --git a/crypto/streebog_generic.c b/crypto/streebog_generic.c
> index 63663c3..dc625ff 100644
> --- a/crypto/streebog_generic.c
> +++ b/crypto/streebog_generic.c
> @@ -148,52 +148,6 @@ static const struct streebog_uint512 C[12] = {
>  	 } }
>  };
>  
> -static const u8 Tau[64] = {
> -	0,   8,  16,  24,  32,  40,  48,  56,
> -	1,   9,  17,  25,  33,  41,  49,  57,
> -	2,  10,  18,  26,  34,  42,  50,  58,
> -	3,  11,  19,  27,  35,  43,  51,  59,
> -	4,  12,  20,  28,  36,  44,  52,  60,
> -	5,  13,  21,  29,  37,  45,  53,  61,
> -	6,  14,  22,  30,  38,  46,  54,  62,
> -	7,  15,  23,  31,  39,  47,  55,  63
> -};
> -
> -static const u8 Pi[256] = {
> -	252, 238, 221,  17, 207, 110,  49,  22,
> -	251, 196, 250, 218,  35, 197,   4,  77,
> -	233, 119, 240, 219, 147,  46, 153, 186,
> -	 23,  54, 241, 187,  20, 205,  95, 193,
> -	249,  24, 101,  90, 226,  92, 239,  33,
> -	129,  28,  60,  66, 139,   1, 142,  79,
> -	  5, 132,   2, 174, 227, 106, 143, 160,
> -	  6,  11, 237, 152, 127, 212, 211,  31,
> -	235,  52,  44,  81, 234, 200,  72, 171,
> -	242,  42, 104, 162, 253,  58, 206, 204,
> -	181, 112,  14,  86,   8,  12, 118,  18,
> -	191, 114,  19,  71, 156, 183,  93, 135,
> -	 21, 161, 150,  41,  16, 123, 154, 199,
> -	243, 145, 120, 111, 157, 158, 178, 177,
> -	 50, 117,  25,  61, 255,  53, 138, 126,
> -	109,  84, 198, 128, 195, 189,  13,  87,
> -	223, 245,  36, 169,  62, 168,  67, 201,
> -	215, 121, 214, 246, 124,  34, 185,   3,
> -	224,  15, 236, 222, 122, 148, 176, 188,
> -	220, 232,  40,  80,  78,  51,  10,  74,
> -	167, 151,  96, 115,  30,   0,  98,  68,
> -	 26, 184,  56, 130, 100, 159,  38,  65,
> -	173,  69,  70, 146,  39,  94,  85,  47,
> -	140, 163, 165, 125, 105, 213, 149,  59,
> -	  7,  88, 179,  64, 134, 172,  29, 247,
> -	 48,  55, 107, 228, 136, 217, 231, 137,
> -	225,  27, 131,  73,  76,  63, 248, 254,
> -	141,  83, 170, 144, 202, 216, 133,  97,
> -	 32, 113, 103, 164,  45,  43,   9,  91,
> -	203, 155,  37, 208, 190, 229, 108,  82,
> -	 89, 166, 116, 210, 230, 244, 180, 192,
> -	209, 102, 175, 194,  57,  75,  99, 182
> -};
> -
>  static const unsigned long long Ax[8][256] = {
>  	{
>  	0xd01f715b5c7ef8e6ULL, 0x16fa240980778325ULL, 0xa8a42e857ee049c8ULL,
> -- 
> 2.7.4
>