1 files changed, 1 insertions, 1 deletions

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");
 }