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path: root/drivers/net/can/slcan.c
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Diffstat (limited to 'drivers/net/can/slcan.c')
-rw-r--r--drivers/net/can/slcan.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index 31ba6664503d..d42ec7d1bc14 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -467,7 +467,8 @@ static void slc_setup(struct net_device *dev)
*/
static void slcan_receive_buf(struct tty_struct *tty,
- const unsigned char *cp, char *fp, int count)
+ const unsigned char *cp, const char *fp,
+ int count)
{
struct slcan *sl = (struct slcan *) tty->disc_data;
@@ -697,6 +698,7 @@ static int slcan_ioctl(struct tty_struct *tty, struct file *file,
static struct tty_ldisc_ops slc_ldisc = {
.owner = THIS_MODULE,
+ .num = N_SLCAN,
.name = "slcan",
.open = slcan_open,
.close = slcan_close,
@@ -721,7 +723,7 @@ static int __init slcan_init(void)
return -ENOMEM;
/* Fill in our line protocol discipline, and register it */
- status = tty_register_ldisc(N_SLCAN, &slc_ldisc);
+ status = tty_register_ldisc(&slc_ldisc);
if (status) {
printk(KERN_ERR "slcan: can't register line discipline\n");
kfree(slcan_devs);
@@ -782,9 +784,7 @@ static void __exit slcan_exit(void)
kfree(slcan_devs);
slcan_devs = NULL;
- i = tty_unregister_ldisc(N_SLCAN);
- if (i)
- printk(KERN_ERR "slcan: can't unregister ldisc (err %d)\n", i);
+ tty_unregister_ldisc(&slc_ldisc);
}
module_init(slcan_init);