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staging: rtl8188eu: Remove no more used functions and variables 

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>
Link: https://lore.kernel.org/r/20210723192620.10669-3-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fabio M. De Francesco 2021-07-23 21:26:20 +02:00 committed by Greg Kroah-Hartman
parent eeacf4cce0
commit 51f59d684b
1 changed files with 0 additions and 36 deletions
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36
drivers/staging/rtl8188eu/core/rtw_security.c
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@ -76,42 +76,6 @@ static void arcfour_encrypt(struct arc4context *parc4ctx, u8 *dest, u8 *src, u32
dest[i] = src[i] ^ (unsigned char)arcfour_byte(parc4ctx);
}
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)
{
int i, j;
u32 c;
u8 *p = (u8 *)&c, *p1;
u8 k;
if (bcrc32initialized == 1)
return;
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 */
void rtw_wep_encrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
{