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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-21 10:46:37 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-22 09:30:07 +0800 |
| commit | 3c5d8fa9f56ad0928e7a1f06003e5034f5eedb52 (patch) | |
| tree | 26b035754eb3cf014cbcf7c90351a0bc1711b170 /include/crypto/rng.h | |
| parent | ff030b099a21a4753af575b4304249e88400e506 (diff) | |
| download | lwn-3c5d8fa9f56ad0928e7a1f06003e5034f5eedb52.tar.gz lwn-3c5d8fa9f56ad0928e7a1f06003e5034f5eedb52.zip | |
crypto: rng - Mark crypto_rng_reset seed as const
There is no reason why crypto_rng_reset should modify the seed
so this patch marks it as const. Since our algorithms don't
export a const seed function yet we have to go through some
contortions for now.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/rng.h')
| -rw-r--r-- | include/crypto/rng.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/include/crypto/rng.h b/include/crypto/rng.h index f20f068154bc..7fca37144b59 100644 --- a/include/crypto/rng.h +++ b/include/crypto/rng.h @@ -19,7 +19,7 @@ struct crypto_rng { int (*generate)(struct crypto_rng *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int dlen); - int (*seed)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); + int (*seed)(struct crypto_rng *tfm, const u8 *seed, unsigned int slen); struct crypto_tfm base; }; @@ -139,11 +139,8 @@ static inline int crypto_rng_get_bytes(struct crypto_rng *tfm, * * Return: 0 if the setting of the key was successful; < 0 if an error occurred */ -static inline int crypto_rng_reset(struct crypto_rng *tfm, - u8 *seed, unsigned int slen) -{ - return tfm->seed(tfm, seed, slen); -} +int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, + unsigned int slen); /** * crypto_rng_seedsize() - obtain seed size of RNG |