From e198429c41edaeaf5e1e2e2ef4bb5a476d8bf399 Mon Sep 17 00:00:00 2001 From: Tudor-Dan Ambarus Date: Thu, 25 May 2017 10:18:14 +0300 Subject: [PATCH] crypto: caampkc - 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/caam/caampkc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 57f399caa977..9c508ba6b0f1 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -911,12 +911,11 @@ err: return -ENOMEM; } -static int caam_rsa_max_size(struct crypto_akcipher *tfm) +static unsigned int caam_rsa_max_size(struct crypto_akcipher *tfm) { struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm); - struct caam_rsa_key *key = &ctx->key; - return (key->n) ? key->n_sz : -EINVAL; + return ctx->key.n_sz; } /* Per session pkc's driver context creation function */ -- 2.20.1