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authorSabrina Dubroca <sd@queasysnail.net>2023-10-09 22:50:45 +0200
committerDavid S. Miller <davem@davemloft.net>2023-10-13 11:26:10 +0100
commit1c1cb3110d7ed2897e65d9a352a8fb709723e057 (patch)
tree62d5148e58b862da82f0f027b7b2ea225d81697c /net/tls/tls_device.c
parentbee6b7b30706e7693d91cb28c8ff3cb69e094f65 (diff)
tls: store iv directly within cipher_context
TLS_MAX_IV_SIZE + TLS_MAX_SALT_SIZE is 20B, we don't get much benefit in cipher_context's size and can simplify the init code a bit. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls/tls_device.c')
-rw-r--r--net/tls/tls_device.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 525d7b813869..0981496c6294 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -56,10 +56,8 @@ static struct page *dummy_page;
static void tls_device_free_ctx(struct tls_context *ctx)
{
- if (ctx->tx_conf == TLS_HW) {
+ if (ctx->tx_conf == TLS_HW)
kfree(tls_offload_ctx_tx(ctx));
- kfree(ctx->tx.iv);
- }
if (ctx->rx_conf == TLS_HW)
kfree(tls_offload_ctx_rx(ctx));
@@ -1088,11 +1086,6 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
prot->overhead_size = prot->prepend_size + prot->tag_size;
prot->iv_size = cipher_desc->iv;
prot->salt_size = cipher_desc->salt;
- ctx->tx.iv = kmalloc(cipher_desc->iv + cipher_desc->salt, GFP_KERNEL);
- if (!ctx->tx.iv) {
- rc = -ENOMEM;
- goto release_netdev;
- }
memcpy(ctx->tx.iv + cipher_desc->salt, iv, cipher_desc->iv);
@@ -1102,7 +1095,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
start_marker_record = kmalloc(sizeof(*start_marker_record), GFP_KERNEL);
if (!start_marker_record) {
rc = -ENOMEM;
- goto free_iv;
+ goto release_netdev;
}
offload_ctx = kzalloc(TLS_OFFLOAD_CONTEXT_SIZE_TX, GFP_KERNEL);
@@ -1187,8 +1180,6 @@ free_offload_ctx:
ctx->priv_ctx_tx = NULL;
free_marker_record:
kfree(start_marker_record);
-free_iv:
- kfree(ctx->tx.iv);
release_netdev:
dev_put(netdev);
return rc;