diff options
| -rw-r--r-- | include/linux/can/core.h | 9 | ||||
| -rw-r--r-- | net/can/af_can.c | 9 | ||||
| -rw-r--r-- | net/can/bcm.c | 4 | ||||
| -rw-r--r-- | net/can/raw.c | 4 |
4 files changed, 12 insertions, 14 deletions
diff --git a/include/linux/can/core.h b/include/linux/can/core.h index 6c507bea275f..6f70a6d3a16e 100644 --- a/include/linux/can/core.h +++ b/include/linux/can/core.h @@ -36,10 +36,10 @@ * @prot: pointer to struct proto structure. */ struct can_proto { - int type; - int protocol; - struct proto_ops *ops; - struct proto *prot; + int type; + int protocol; + const struct proto_ops *ops; + struct proto *prot; }; /* function prototypes for the CAN networklayer core (af_can.c) */ @@ -58,5 +58,6 @@ extern void can_rx_unregister(struct net_device *dev, canid_t can_id, void *data); extern int can_send(struct sk_buff *skb, int loop); +extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); #endif /* CAN_CORE_H */ diff --git a/net/can/af_can.c b/net/can/af_can.c index 702be5a2c956..733d66f1b05a 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -95,7 +95,7 @@ struct s_pstats can_pstats; /* receive list statistics */ * af_can socket functions */ -static int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; @@ -108,6 +108,7 @@ static int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) return -ENOIOCTLCMD; } } +EXPORT_SYMBOL(can_ioctl); static void can_sock_destruct(struct sock *sk) { @@ -698,13 +699,9 @@ int can_proto_register(struct can_proto *cp) printk(KERN_ERR "can: protocol %d already registered\n", proto); err = -EBUSY; - } else { + } else proto_tab[proto] = cp; - /* use generic ioctl function if not defined by module */ - if (!cp->ops->ioctl) - cp->ops->ioctl = can_ioctl; - } spin_unlock(&proto_tab_lock); if (err < 0) diff --git a/net/can/bcm.c b/net/can/bcm.c index 092dc88a7c64..871a0ad51025 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1569,7 +1569,7 @@ static int bcm_recvmsg(struct kiocb *iocb, struct socket *sock, return size; } -static struct proto_ops bcm_ops __read_mostly = { +static const struct proto_ops bcm_ops = { .family = PF_CAN, .release = bcm_release, .bind = sock_no_bind, @@ -1578,7 +1578,7 @@ static struct proto_ops bcm_ops __read_mostly = { .accept = sock_no_accept, .getname = sock_no_getname, .poll = datagram_poll, - .ioctl = NULL, /* use can_ioctl() from af_can.c */ + .ioctl = can_ioctl, /* use can_ioctl() from af_can.c */ .listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = sock_no_setsockopt, diff --git a/net/can/raw.c b/net/can/raw.c index 883e9d74fddf..649acfa7c70a 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -742,7 +742,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock, return size; } -static struct proto_ops raw_ops __read_mostly = { +static const struct proto_ops raw_ops = { .family = PF_CAN, .release = raw_release, .bind = raw_bind, @@ -751,7 +751,7 @@ static struct proto_ops raw_ops __read_mostly = { .accept = sock_no_accept, .getname = raw_getname, .poll = datagram_poll, - .ioctl = NULL, /* use can_ioctl() from af_can.c */ + .ioctl = can_ioctl, /* use can_ioctl() from af_can.c */ .listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = raw_setsockopt, |