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authorFabio M. De Francesco <fmdefrancesco@gmail.com>2021-07-23 21:26:20 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-27 15:17:23 +0200
commit51f59d684b0c65563ad16e5e179ad021a05951c5 (patch)
tree45f4fece4d3f22acedd440f6962a381a82a5289f /drivers/staging/rtl8188eu
parenteeacf4cce0b183c2cf61a9c1ea6db7a0ab9c2600 (diff)
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>
Diffstat (limited to 'drivers/staging/rtl8188eu')
-rw-r--r--drivers/staging/rtl8188eu/core/rtw_security.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_security.c b/drivers/staging/rtl8188eu/core/rtw_security.c
index 7001f24f118d..7185c1ae2ab8 100644
--- a/drivers/staging/rtl8188eu/core/rtw_security.c
+++ b/drivers/staging/rtl8188eu/core/rtw_security.c
@@ -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)
{