From 969d509003b8d64f5766a16143bf22d56c1b66fe Mon Sep 17 00:00:00 2001 From: zhong jiang Date: Wed, 1 Aug 2018 00:50:24 +0800 Subject: net/tls: Use kmemdup to simplify the code Kmemdup is better than kmalloc+memcpy. So replace them. Signed-off-by: zhong jiang Signed-off-by: David S. Miller --- net/tls/tls_device.c | 3 +-- net/tls/tls_sw.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) (limited to 'net/tls') 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) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 33838f11fafa..ff3a6904a722 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -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, -- cgit v1.2.3-58-ga151