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]> --- crypto/rsa.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/crypto/rsa.c b/crypto/rsa.c index 4c280b6..b067f3a 100644 --- a/crypto/rsa.c +++ b/crypto/rsa.c @@ -337,11 +337,11 @@ static int rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key, return -ENOMEM; } -static int rsa_max_size(struct crypto_akcipher *tfm) +static unsigned int rsa_max_size(struct crypto_akcipher *tfm) { struct rsa_mpi_key *pkey = akcipher_tfm_ctx(tfm); - return pkey->n ? mpi_get_size(pkey->n) : -EINVAL; + return mpi_get_size(pkey->n); } static void rsa_exit_tfm(struct crypto_akcipher *tfm) -- 2.7.4
