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crypto: jitter - Use min() to simplify jent_read_entropy()
Use the min() macro to simplify the jent_read_entropy() function and improve its readability. Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -146,6 +146,7 @@ struct rand_data {
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#define JENT_ENTROPY_SAFETY_FACTOR 64
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#include <linux/fips.h>
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#include <linux/minmax.h>
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#include "jitterentropy.h"
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/***************************************************************************
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@ -638,10 +639,7 @@ int jent_read_entropy(struct rand_data *ec, unsigned char *data,
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return -2;
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}
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if ((DATA_SIZE_BITS / 8) < len)
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tocopy = (DATA_SIZE_BITS / 8);
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else
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tocopy = len;
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tocopy = min(DATA_SIZE_BITS / 8, len);
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if (jent_read_random_block(ec->hash_state, p, tocopy))
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return -1;
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