diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/staging/rtl8712/rtl871x_security.c | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/staging/rtl8712/rtl871x_security.c')
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_security.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/staging/rtl8712/rtl871x_security.c b/drivers/staging/rtl8712/rtl871x_security.c index bcd1a5128..862792826 100644 --- a/drivers/staging/rtl8712/rtl871x_security.c +++ b/drivers/staging/rtl8712/rtl871x_security.c @@ -124,28 +124,25 @@ static u8 crc32_reverseBit(u8 data) static void crc32_init(void) { + sint i, j; + u32 c; + u8 *p = (u8 *)&c, *p1; + u8 k; + if (bcrc32initialized == 1) return; - else { - sint 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; + + 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; } static u32 getcrc32(u8 *buf, u32 len) |