From 515c4d27d69acf0473157abeb21a2ae9f9328bac Mon Sep 17 00:00:00 2001 From: Tudor-Dan Ambarus Date: Thu, 25 May 2017 10:18:15 +0300 Subject: [PATCH] crypto: qat - comply with crypto_akcipher_maxsize() 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 Signed-off-by: Herbert Xu --- drivers/crypto/qat/qat_common/qat_asym_algs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c index 1d882a7cc34f..6f5dd68449c6 100644 --- a/drivers/crypto/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c @@ -1256,11 +1256,11 @@ static int qat_rsa_setprivkey(struct crypto_akcipher *tfm, const void *key, return qat_rsa_setkey(tfm, key, keylen, true); } -static int qat_rsa_max_size(struct crypto_akcipher *tfm) +static unsigned int qat_rsa_max_size(struct crypto_akcipher *tfm) { struct qat_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); - return (ctx->n) ? ctx->key_sz : -EINVAL; + return ctx->key_sz; } static int qat_rsa_init_tfm(struct crypto_akcipher *tfm) -- 2.20.1