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Diffstat (limited to 'net/can/af_can.c')
-rw-r--r--net/can/af_can.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c
index a8dcaa49675a..5b52762b9f20 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -84,7 +84,7 @@ static DEFINE_SPINLOCK(can_rcvlists_lock);
static struct kmem_cache *rcv_cache __read_mostly;
/* table of registered CAN protocols */
-static struct can_proto *proto_tab[CAN_NPROTO] __read_mostly;
+static const struct can_proto *proto_tab[CAN_NPROTO] __read_mostly;
static DEFINE_MUTEX(proto_tab_lock);
struct timer_list can_stattimer; /* timer for statistics update */
@@ -115,9 +115,9 @@ static void can_sock_destruct(struct sock *sk)
skb_queue_purge(&sk->sk_receive_queue);
}
-static struct can_proto *can_try_module_get(int protocol)
+static const struct can_proto *can_try_module_get(int protocol)
{
- struct can_proto *cp;
+ const struct can_proto *cp;
rcu_read_lock();
cp = rcu_dereference(proto_tab[protocol]);
@@ -132,7 +132,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
- struct can_proto *cp;
+ const struct can_proto *cp;
int err = 0;
sock->state = SS_UNCONNECTED;
@@ -691,7 +691,7 @@ drop:
* -EBUSY protocol already in use
* -ENOBUF if proto_register() fails
*/
-int can_proto_register(struct can_proto *cp)
+int can_proto_register(const struct can_proto *cp)
{
int proto = cp->protocol;
int err = 0;
@@ -728,7 +728,7 @@ EXPORT_SYMBOL(can_proto_register);
* can_proto_unregister - unregister CAN transport protocol
* @cp: pointer to CAN protocol structure
*/
-void can_proto_unregister(struct can_proto *cp)
+void can_proto_unregister(const struct can_proto *cp)
{
int proto = cp->protocol;