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SubjectRe: [PATCH 2/2] staging: r8188eu: Remove no more used functions and variables
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On 7/30/21 5:37 AM, Fabio M. De Francesco wrote:
> Remove the functions and variables from rtw_security.c that are no more
> necessary since the patch that replaces getcrc32() with crc32_le().
>
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
> ---
> drivers/staging/r8188eu/core/rtw_security.c | 37 ---------------------
> 1 file changed, 37 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/core/rtw_security.c b/drivers/staging/r8188eu/core/rtw_security.c
> index 9625beea4b3c..136ba1e61dca 100644
> --- a/drivers/staging/r8188eu/core/rtw_security.c
> +++ b/drivers/staging/r8188eu/core/rtw_security.c
> @@ -74,43 +74,6 @@ static void arcfour_encrypt(struct arc4context *parc4ctx, u8 *dest, u8 *src, u32
>
> }
>
> -static int bcrc32initialized;
> -static u32 crc32_table[256];
> -
> -static u8 crc32_reverseBit(u8 data)
> -{
> - return (u8)((data<<7)&0x80) | ((data<<5)&0x40) | ((data<<3)&0x20) |
> - ((data<<1)&0x10) | ((data>>1)&0x08) | ((data>>3)&0x04) |
> - ((data>>5)&0x02) | ((data>>7)&0x01);
> -}
> -
> -static void crc32_init(void)
> -{
> - if (bcrc32initialized == 1) {
> - return;
> - } else {
> - int i, j;
> - u32 c;
> - u8 *p = (u8 *)&c, *p1;
> - u8 k;
> -
> - c = 0x12340000;
> -
> - for (i = 0; i < 256; ++i) {
> - k = crc32_reverseBit((u8)i);
> - for (c = ((u32)k) << 24, j = 8; j > 0; --j)
> - c = c & 0x80000000 ? (c << 1) ^ CRC32_POLY : (c << 1);
> - p1 = (u8 *)&crc32_table[i];
> -
> - p1[0] = crc32_reverseBit(p[3]);
> - p1[1] = crc32_reverseBit(p[2]);
> - p1[2] = crc32_reverseBit(p[1]);
> - p1[3] = crc32_reverseBit(p[0]);
> - }
> - bcrc32initialized = 1;
> - }
> -}
> -
> /*
> Need to consider the fragment situation
> */
>

These two patches are

Tested-by: Larry Finger <Larry.Finger@lwfinger.net>

Thanks for your contribution.

Larry

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