1 files changed, 1 insertions, 1 deletions

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");
 }