net/tls: Constify base proto ops used for building tls proto

The helper that builds kTLS proto ops doesn't need to and should not modify
the base proto ops. Annotate the parameter as read-only.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 82225bcc1117c7cd940f88ba20a900aeb28773de..ff08b2ff75979d8c71da3cfac373f16643533fdc 100644 (file)
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -63,7 +63,7 @@ static DEFINE_MUTEX(tcpv4_prot_mutex);
 static struct proto tls_prots[TLS_NUM_PROTS][TLS_NUM_CONFIG][TLS_NUM_CONFIG];
 static struct proto_ops tls_sw_proto_ops;
 static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG],
-                        struct proto *base);
+                        const struct proto *base);
 
 void update_sk_prot(struct sock *sk, struct tls_context *ctx)
 {
@@ -652,7 +652,7 @@ static void tls_build_proto(struct sock *sk)
 }
 
 static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG],
-                        struct proto *base)
+                        const struct proto *base)
 {
        prot[TLS_BASE][TLS_BASE] = *base;
        prot[TLS_BASE][TLS_BASE].setsockopt     = tls_setsockopt;