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authorTom Lendacky <thomas.lendacky@amd.com>2013-12-10 10:38:44 -0600
committerHerbert Xu <herbert@gondor.apana.org.au>2013-12-20 20:06:22 +0800
commit369f3dabad95aaa3b04ec390d5489d9d46e51395 (patch)
tree494d90d88310fe987d9ae659f4697962557a3525 /drivers/crypto/ccp/ccp-crypto-aes.c
parentd5aa80952aba9071b50a74c8daf7feb1caa2fd8c (diff)
downloadlinux-369f3dabad95aaa3b04ec390d5489d9d46e51395.tar.gz
crypto: ccp - Remove user triggerable pr_err calls
Remove the pr_err calls that are issued during parameter
checking in some AES operations. This will eliminate the
possibility of filling up syslog through these paths.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp/ccp-crypto-aes.c')
-rw-r--r--drivers/crypto/ccp/ccp-crypto-aes.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-aes.c b/drivers/crypto/ccp/ccp-crypto-aes.c
index c0befdb2240b..e46490db0f63 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes.c
@@ -76,24 +76,18 @@ static int ccp_aes_crypt(struct ablkcipher_request *req, bool encrypt)
 	unsigned int iv_len = 0;
 	int ret;
 
-	if (!ctx->u.aes.key_len) {
-		pr_err("AES key not set\n");
+	if (!ctx->u.aes.key_len)
 		return -EINVAL;
-	}
 
 	if (((ctx->u.aes.mode == CCP_AES_MODE_ECB) ||
 	     (ctx->u.aes.mode == CCP_AES_MODE_CBC) ||
 	     (ctx->u.aes.mode == CCP_AES_MODE_CFB)) &&
-	    (req->nbytes & (AES_BLOCK_SIZE - 1))) {
-		pr_err("AES request size is not a multiple of the block size\n");
+	    (req->nbytes & (AES_BLOCK_SIZE - 1)))
 		return -EINVAL;
-	}
 
 	if (ctx->u.aes.mode != CCP_AES_MODE_ECB) {
-		if (!req->info) {
-			pr_err("AES IV not supplied");
+		if (!req->info)
 			return -EINVAL;
-		}
 
 		memcpy(rctx->iv, req->info, AES_BLOCK_SIZE);
 		iv_sg = &rctx->iv_sg;