Commit e198429c authored by Tudor-Dan Ambarus's avatar Tudor-Dan Ambarus Committed by Herbert Xu

crypto: caampkc - comply with crypto_akcipher_maxsize()

crypto_akcipher_maxsize() asks for the output buffer size without
caring for errors. It allways assume that will be called after
a valid setkey. Comply with it and return what he wants.
Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 1c23b466
...@@ -911,12 +911,11 @@ static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key, ...@@ -911,12 +911,11 @@ static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key,
return -ENOMEM; return -ENOMEM;
} }
static int caam_rsa_max_size(struct crypto_akcipher *tfm) static unsigned int caam_rsa_max_size(struct crypto_akcipher *tfm)
{ {
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
struct caam_rsa_key *key = &ctx->key;
return (key->n) ? key->n_sz : -EINVAL; return ctx->key.n_sz;
} }
/* Per session pkc's driver context creation function */ /* Per session pkc's driver context creation function */
......
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