crypto:chtls: key len correction

corrected the key length to copy 128b key. Removed 192b and 256b
key as user input supports key of size 128b in gcm_ctx

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/crypto/chelsio/chtls/chtls_hw.c b/drivers/crypto/chelsio/chtls/chtls_hw.c
index 54a13aa..55d5014 100644 (file)
--- a/drivers/crypto/chelsio/chtls/chtls_hw.c
+++ b/drivers/crypto/chelsio/chtls/chtls_hw.c
@@ -213,7 +213,7 @@ static int chtls_key_info(struct chtls_sock *csk,
                          struct _key_ctx *kctx,
                          u32 keylen, u32 optname)
 {
-       unsigned char key[CHCR_KEYCTX_CIPHER_KEY_SIZE_256];
+       unsigned char key[AES_KEYSIZE_128];
        struct tls12_crypto_info_aes_gcm_128 *gcm_ctx;
        unsigned char ghash_h[AEAD_H_SIZE];
        struct crypto_cipher *cipher;
@@ -228,10 +228,6 @@ static int chtls_key_info(struct chtls_sock *csk,
 
        if (keylen == AES_KEYSIZE_128) {
                ck_size = CHCR_KEYCTX_CIPHER_KEY_SIZE_128;
-       } else if (keylen == AES_KEYSIZE_192) {
-               ck_size = CHCR_KEYCTX_CIPHER_KEY_SIZE_192;
-       } else if (keylen == AES_KEYSIZE_256) {
-               ck_size = CHCR_KEYCTX_CIPHER_KEY_SIZE_256;
        } else {
                pr_err("GCM: Invalid key length %d\n", keylen);
                return -EINVAL;