1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 6dcecd40a81..0fbf4f215d8 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -562,16 +562,8 @@ void gigaset_if_free(struct cardstate *cs)
 void gigaset_if_receive(struct cardstate *cs,
 			unsigned char *buffer, size_t len)
 {
-	struct tty_struct *tty = tty_port_tty_get(&cs->port);
-
-	if (tty == NULL) {
-		gig_dbg(DEBUG_IF, "receive on closed device");
-		return;
-	}
-
 	tty_insert_flip_string(&cs->port, buffer, len);
-	tty_flip_buffer_push(tty);
-	tty_kref_put(tty);
+	tty_flip_buffer_push(&cs->port);
 }
 EXPORT_SYMBOL_GPL(gigaset_if_receive);