提交 969d5090 编写于 作者: Z zhong jiang 提交者: David S. Miller

net/tls: Use kmemdup to simplify the code

Kmemdup is better than kmalloc+memcpy. So replace them.
Signed-off-by: Nzhong jiang <zhongjiang@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 b053fcc4
......@@ -716,12 +716,11 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
memcpy(ctx->tx.iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, iv, iv_size);
ctx->tx.rec_seq_size = rec_seq_size;
ctx->tx.rec_seq = kmalloc(rec_seq_size, GFP_KERNEL);
ctx->tx.rec_seq = kmemdup(rec_seq, rec_seq_size, GFP_KERNEL);
if (!ctx->tx.rec_seq) {
rc = -ENOMEM;
goto free_iv;
}
memcpy(ctx->tx.rec_seq, rec_seq, rec_seq_size);
rc = tls_sw_fallback_init(sk, offload_ctx, crypto_info);
if (rc)
......
......@@ -1173,12 +1173,11 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
memcpy(cctx->iv, gcm_128_info->salt, TLS_CIPHER_AES_GCM_128_SALT_SIZE);
memcpy(cctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, iv, iv_size);
cctx->rec_seq_size = rec_seq_size;
cctx->rec_seq = kmalloc(rec_seq_size, GFP_KERNEL);
cctx->rec_seq = kmemdup(rec_seq, rec_seq_size, GFP_KERNEL);
if (!cctx->rec_seq) {
rc = -ENOMEM;
goto free_iv;
}
memcpy(cctx->rec_seq, rec_seq, rec_seq_size);
if (sw_ctx_tx) {
sg_init_table(sw_ctx_tx->sg_encrypted_data,
......
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