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/linux-2.6.39/drivers/char/
Drandom.c475 int wordmask = r->poolinfo->poolwords - 1; in mix_pool_bytes_extract() local
494 i = (i - 1) & wordmask; in mix_pool_bytes_extract()
498 w ^= r->pool[(i + tap1) & wordmask]; in mix_pool_bytes_extract()
499 w ^= r->pool[(i + tap2) & wordmask]; in mix_pool_bytes_extract()
500 w ^= r->pool[(i + tap3) & wordmask]; in mix_pool_bytes_extract()
501 w ^= r->pool[(i + tap4) & wordmask]; in mix_pool_bytes_extract()
502 w ^= r->pool[(i + tap5) & wordmask]; in mix_pool_bytes_extract()
521 ((__u32 *)out)[j] = r->pool[(i - j) & wordmask]; in mix_pool_bytes_extract()