net/tls: Use kmemdup to simplify the code

Kmemdup is better than kmalloc+memcpy. So replace them.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 1e968d238adf..292742e50bfa 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -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)