From: Horia Geantă <horia.geanta@nxp.com>
Date: Wed, 22 Jul 2020 15:14:55 +0300
Subject: crypto: caam - silence .setkey in case of bad key length
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: da6a66853a381864f4b040832cf11f0dbba0a097
Patch-mainline: v5.9-rc1
References: jsc#SLE-16106

In case of bad key length, driver emits "key size mismatch" messages,
but only for xts(aes) algorithms.

Reduce verbosity by making them visible only when debugging.
This way crypto fuzz testing log cleans up a bit.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 drivers/crypto/caam/caamalg.c     |    2 +-
 drivers/crypto/caam/caamalg_qi.c  |    2 +-
 drivers/crypto/caam/caamalg_qi2.c |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -851,7 +851,7 @@ static int xts_skcipher_setkey(struct cr
 
 	if (keylen != 2 * AES_MIN_KEY_SIZE  && keylen != 2 * AES_MAX_KEY_SIZE) {
 		crypto_skcipher_set_flags(skcipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
-		dev_err(jrdev, "key size mismatch\n");
+		dev_dbg(jrdev, "key size mismatch\n");
 		return -EINVAL;
 	}
 
--- a/drivers/crypto/caam/caamalg_qi.c
+++ b/drivers/crypto/caam/caamalg_qi.c
@@ -747,7 +747,7 @@ static int xts_skcipher_setkey(struct cr
 	int ret = 0;
 
 	if (keylen != 2 * AES_MIN_KEY_SIZE  && keylen != 2 * AES_MAX_KEY_SIZE) {
-		dev_err(jrdev, "key size mismatch\n");
+		dev_dbg(jrdev, "key size mismatch\n");
 		goto badkey;
 	}
 
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -1083,7 +1083,7 @@ static int xts_skcipher_setkey(struct cr
 	u32 *desc;
 
 	if (keylen != 2 * AES_MIN_KEY_SIZE  && keylen != 2 * AES_MAX_KEY_SIZE) {
-		dev_err(dev, "key size mismatch\n");
+		dev_dbg(dev, "key size mismatch\n");
 		crypto_skcipher_set_flags(skcipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
 		return -EINVAL;
 	}