Commit 1650629d authored by Kurt Van Dijck's avatar Kurt Van Dijck Committed by David S. Miller
Browse files

can: make struct can_proto const 



commit 53914b67 had the
same message. That commit did put everything in place but
did not make can_proto const itself.

Signed-off-by: default avatarKurt Van Dijck <kurt.van.dijck@eia.be>
Acked-by: default avatarOliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5a412ad7

include/linux/can/core.h

+2 −2
Original line number Diff line number Diff line
@@ -44,8 +44,8 @@ struct can_proto { 


/* function prototypes for the CAN networklayer core (af_can.c) */



extern int  can_proto_register(struct can_proto *cp);

extern void can_proto_unregister(struct can_proto *cp);

extern int  can_proto_register(const struct can_proto *cp);

extern void can_proto_unregister(const struct can_proto *cp);



extern int  can_rx_register(struct net_device *dev, canid_t can_id,

			    canid_t mask,

net/can/af_can.c

+6 −6
Original line number Diff line number Diff line
@@ -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;

net/can/bcm.c

+1 −1
Original line number Diff line number Diff line
@@ -1601,7 +1601,7 @@ static struct proto bcm_proto __read_mostly = { 
	.init       = bcm_init,

};



static struct can_proto bcm_can_proto __read_mostly = {

static const struct can_proto bcm_can_proto = {

	.type       = SOCK_DGRAM,

	.protocol   = CAN_BCM,

	.ops        = &bcm_ops,

net/can/raw.c

+1 −1
Original line number Diff line number Diff line
@@ -774,7 +774,7 @@ static struct proto raw_proto __read_mostly = { 
	.init       = raw_init,

};



static struct can_proto raw_can_proto __read_mostly = {

static const struct can_proto raw_can_proto = {

	.type       = SOCK_RAW,

	.protocol   = CAN_RAW,

	.ops        = &raw_ops,

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