On Fri, May 12, 2017 at 01:11:44PM +0300, Tudor Ambarus wrote:
> The function should return minimum size for output buffer
> or error code if key hasn't been set.
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
> ---
> crypto/dh.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/crypto/dh.c b/crypto/dh.c
> index 7cec0498..325a5dd 100644
> --- a/crypto/dh.c
> +++ b/crypto/dh.c
> @@ -148,7 +148,7 @@ static int dh_max_size(struct crypto_kpp *tfm)
> {
> struct dh_ctx *ctx = dh_get_ctx(tfm);
>
> - return mpi_get_size(ctx->p);
> + return ctx->p ? mpi_get_size(ctx->p) : -EINVAL;
> }
How about ENOKEY?
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
