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>
diff --git a/include/crypto/rng.h b/include/crypto/rng.h
index f20f068..7fca3714 100644
--- a/include/crypto/rng.h
+++ b/include/crypto/rng.h
@@ -19,7 +19,7 @@
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 @@
*
* 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
