crypto: dh - comply with crypto_kpp_maxsize()

crypto_kpp_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 <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tudor-Dan Ambarus 2017-05-25 10:18:09 +03:00 committed by Herbert Xu
parent c444b8da87
commit 7f69105077

View File

@ -147,7 +147,7 @@ err_free_val:
return ret;
}
static int dh_max_size(struct crypto_kpp *tfm)
static unsigned int dh_max_size(struct crypto_kpp *tfm)
{
struct dh_ctx *ctx = dh_get_ctx(tfm);