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hwrng: Pass entropy to add_hwgenerator_randomness() in bits, not bytes 

rng_get_data() returns the number of bytes read from the hardware.
The entropy argument to add_hwgenerator_randomness() is passed
directly to credit_entropy_bits() so we should be passing the
number of bits, not bytes here.

Fixes: be4000bc46 "hwrng: create filler thread"
Acked-by: Torsten Duwe <duwe@suse.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
hifive-unleashed-5.1
Stephen Boyd 2014-07-25 15:19:18 -07:00 committed by Theodore Ts'o
parent 48d6be955a
commit e02b876597
1 changed files with 1 additions and 1 deletions
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2
drivers/char/hw_random/core.c
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@ -342,7 +342,7 @@ static int hwrng_fillfn(void *unused)
continue;
}
add_hwgenerator_randomness((void *)rng_fillbuf, rc,
(rc*current_quality)>>10);
rc * current_quality * 8 >> 10);
}
hwrng_fill = NULL;
return 0;