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Diffstat (limited to 'net/tls/tls_main.c')
-rw-r--r--net/tls/tls_main.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 28887cf628b8..78cb4a584080 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -55,6 +55,8 @@ enum {
static struct proto *saved_tcpv6_prot;
static DEFINE_MUTEX(tcpv6_prot_mutex);
+static struct proto *saved_tcpv4_prot;
+static DEFINE_MUTEX(tcpv4_prot_mutex);
static LIST_HEAD(device_list);
static DEFINE_SPINLOCK(device_spinlock);
static struct proto tls_prots[TLS_NUM_PROTS][TLS_NUM_CONFIG][TLS_NUM_CONFIG];
@@ -700,6 +702,16 @@ static int tls_init(struct sock *sk)
mutex_unlock(&tcpv6_prot_mutex);
}
+ if (ip_ver == TLSV4 &&
+ unlikely(sk->sk_prot != smp_load_acquire(&saved_tcpv4_prot))) {
+ mutex_lock(&tcpv4_prot_mutex);
+ if (likely(sk->sk_prot != saved_tcpv4_prot)) {
+ build_protos(tls_prots[TLSV4], sk->sk_prot);
+ smp_store_release(&saved_tcpv4_prot, sk->sk_prot);
+ }
+ mutex_unlock(&tcpv4_prot_mutex);
+ }
+
ctx->tx_conf = TLS_BASE;
ctx->rx_conf = TLS_BASE;
update_sk_prot(sk, ctx);
@@ -731,8 +743,6 @@ static struct tcp_ulp_ops tcp_tls_ulp_ops __read_mostly = {
static int __init tls_register(void)
{
- build_protos(tls_prots[TLSV4], &tcp_prot);
-
tls_sw_proto_ops = inet_stream_ops;
tls_sw_proto_ops.splice_read = tls_sw_splice_read;