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random: convert to ENTROPY_BITS for better code readability
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Link: https://lore.kernel.org/r/20190607182517.28266-2-tiny.windzz@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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1 changed files with 2 additions and 3 deletions
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@ -760,7 +760,7 @@ static void credit_entropy_bits(struct entropy_store *r, int nbits)
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if (entropy_bits < 128)
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return;
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crng_reseed(&primary_crng, r);
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entropy_bits = r->entropy_count >> ENTROPY_SHIFT;
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entropy_bits = ENTROPY_BITS(r);
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}
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}
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}
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@ -1378,8 +1378,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
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goto retry;
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trace_debit_entropy(r->name, 8 * ibytes);
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if (ibytes &&
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(r->entropy_count >> ENTROPY_SHIFT) < random_write_wakeup_bits) {
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if (ibytes && ENTROPY_BITS(r) < random_write_wakeup_bits) {
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wake_up_interruptible(&random_write_wait);
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kill_fasync(&fasync, SIGIO, POLL_OUT);
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}
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