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: Tudor Ambarus <[email protected]>
---
 drivers/crypto/caam/caampkc.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c
index 57f399c..9c508ba 100644
--- a/drivers/crypto/caam/caampkc.c
+++ b/drivers/crypto/caam/caampkc.c
@@ -911,12 +911,11 @@ static int caam_rsa_set_priv_key(struct crypto_akcipher 
*tfm, const void *key,
        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_key *key = &ctx->key;
 
-       return (key->n) ? key->n_sz : -EINVAL;
+       return ctx->key.n_sz;
 }
 
 /* Per session pkc's driver context creation function */
-- 
2.7.4

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