From: Tudor-Dan Ambarus Date: Thu, 25 May 2017 07:18:11 +0000 (+0300) Subject: crypto: qat - comply with crypto_kpp_maxsize() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=85ac98cbac1bb63c878486b88bfb6f5bac540e21;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git crypto: qat - 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 Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c index 2aab80bc241f..1d882a7cc34f 100644 --- a/drivers/crypto/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c @@ -521,11 +521,11 @@ static int qat_dh_set_secret(struct crypto_kpp *tfm, const void *buf, return 0; } -static int qat_dh_max_size(struct crypto_kpp *tfm) +static unsigned int qat_dh_max_size(struct crypto_kpp *tfm) { struct qat_dh_ctx *ctx = kpp_tfm_ctx(tfm); - return ctx->p ? ctx->p_size : -EINVAL; + return ctx->p_size; } static int qat_dh_init_tfm(struct crypto_kpp *tfm)