12 files changed, 12 insertions, 12 deletions

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 9075bbb56ad4..f766bc22c6bb 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -576,7 +576,7 @@ static void __exit hci_uart_exit(void)
 #endif
 
         /* Release tty registration of line discipline */
-        if ((err = tty_register_ldisc(N_HCI, NULL)))
+        if ((err = tty_unregister_ldisc(N_HCI)))
                 BT_ERR("Can't unregister HCI line discipline (%d)", err);
 }
 
diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c
index b3dbff1cf967..5079beda69b5 100644
--- a/drivers/char/n_hdlc.c
+++ b/drivers/char/n_hdlc.c
@@ -960,7 +960,7 @@ static char hdlc_unregister_fail[] __exitdata =
 static void __exit n_hdlc_exit(void)
 {
         /* Release tty registration of line discipline */
-        int status = tty_register_ldisc(N_HDLC, NULL);
+        int status = tty_unregister_ldisc(N_HDLC);
 
         if (status)
                 printk(hdlc_unregister_fail, status);
diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c
index 3883073ab48f..2291a87e8ada 100644
--- a/drivers/char/n_r3964.c
+++ b/drivers/char/n_r3964.c
@@ -200,7 +200,7 @@ static void __exit r3964_exit(void)
    
    TRACE_M ("cleanup_module()");
 
-   status=tty_register_ldisc(N_R3964, NULL);
+   status=tty_unregister_ldisc(N_R3964);
    
    if(status!=0)
    {
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index f6b85222ba3d..79ca38469159 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -257,7 +257,7 @@ static int __init serport_init(void)
 
 static void __exit serport_exit(void)
 {
-        tty_register_ldisc(N_MOUSE, NULL);
+        tty_unregister_ldisc(N_MOUSE);
 }
 
 module_init(serport_init);
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 89454915b857..e44f8e9055ef 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -848,7 +848,7 @@ static void __exit sixpack_exit_driver(void)
 {
         int ret;
 
-        if ((ret = tty_register_ldisc(N_6PACK, NULL)))
+        if ((ret = tty_unregister_ldisc(N_6PACK)))
                 printk(msg_unregfail, ret);
 }
 
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 62790511098f..3035422f5ad8 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -934,7 +934,7 @@ static void __exit mkiss_exit_driver(void)
         kfree(ax25_ctrls);
         ax25_ctrls = NULL;
 
-        if ((i = tty_register_ldisc(N_AX25, NULL)))
+        if ((i = tty_unregister_ldisc(N_AX25)))
                 printk(KERN_ERR "mkiss: can't unregister line discipline (err = %d)\n", i);
 }
 
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index 7d23aa375908..b8d112348ba4 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -626,7 +626,7 @@ static void __exit irtty_sir_cleanup(void)
 {
         int err;
 
-        if ((err = tty_register_ldisc(N_IRDA, NULL))) {
+        if ((err = tty_unregister_ldisc(N_IRDA))) {
                 IRDA_ERROR("%s(), can't unregister line discipline (err = %d)\n",
                            __FUNCTION__, err);
         }
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 33b9d79b1aad..5e48b9ab3045 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -1025,7 +1025,7 @@ static void async_lcp_peek(struct asyncppp *ap, unsigned char *data,
 
 static void __exit ppp_async_cleanup(void)
 {
-        if (tty_register_ldisc(N_PPP, NULL) != 0)
+        if (tty_unregister_ldisc(N_PPP) != 0)
                 printk(KERN_ERR "failed to unregister PPP line discipline\n");
 }
 
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index 7d0150b4c629..fd9f50180355 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -793,7 +793,7 @@ err:
 static void __exit
 ppp_sync_cleanup(void)
 {
-        if (tty_register_ldisc(N_SYNC_PPP, NULL) != 0)
+        if (tty_unregister_ldisc(N_SYNC_PPP) != 0)
                 printk(KERN_ERR "failed to unregister Sync PPP line discipline\n");
 }
 
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 8f7841c0374d..19112712daf0 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -1430,7 +1430,7 @@ static void __exit slip_exit(void)
         kfree(slip_devs);
         slip_devs = NULL;
 
-        if ((i = tty_register_ldisc(N_SLIP, NULL)))
+        if ((i = tty_unregister_ldisc(N_SLIP)))
         {
                 printk(KERN_ERR "SLIP: can't unregister line discipline (err = %d)\n", i);
         }
diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index 1c540d825551..bdf672c48182 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -829,7 +829,7 @@ static void __exit exit_x25_asy(void)
         }
 
         kfree(x25_asy_devs);
-        tty_register_ldisc(N_X25, NULL);
+        tty_unregister_ldisc(N_X25);
 }
 
 module_init(init_x25_asy);
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index ec8cf29ffced..6c42b573a95a 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -2828,7 +2828,7 @@ static void __exit strip_exit_driver(void)
         /* Unregister with the /proc/net file here. */
         proc_net_remove("strip");
 
-        if ((i = tty_register_ldisc(N_STRIP, NULL)))
+        if ((i = tty_unregister_ldisc(N_STRIP)))
                 printk(KERN_ERR "STRIP: can't unregister line discipline (err = %d)\n", i);
 
         printk(signoff);