X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fisdn%2Fgigaset%2Finterface.c;h=600c79b030cdb68ddfb2fefd4cd53b6d10433511;hb=7ecba6f2f3f6e862287e07908ba583199c7772a9;hp=e2b539675b665d72aa1fe183cd9f0a61ad0262c2;hpb=69df2ac1288b456a95aceadafbf88cd891a577c8;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index e2b539675b66..600c79b030cd 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -487,12 +487,8 @@ static const struct tty_operations if_ops = {
 static void if_wake(unsigned long data)
 {
 	struct cardstate *cs = (struct cardstate *)data;
-	struct tty_struct *tty = tty_port_tty_get(&cs->port);
 
-	if (tty) {
-		tty_wakeup(tty);
-		tty_kref_put(tty);
-	}
+	tty_port_tty_wakeup(&cs->port);
 }
 
 /*** interface to common ***/