diff --git a/[refs] b/[refs]
index 403f097ad182..8f047863f571 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 17e6791082e3dc34d0b43fd50ff8655fdfcc3a99
+refs/heads/master: 8321652ae22f38830af5b553f3a316d68948ddce
diff --git a/trunk/drivers/usb/serial/omninet.c b/trunk/drivers/usb/serial/omninet.c
index d31f661d758c..f524cd910e2c 100644
--- a/trunk/drivers/usb/serial/omninet.c
+++ b/trunk/drivers/usb/serial/omninet.c
@@ -185,10 +185,12 @@ static void omninet_read_bulk_callback(struct urb *urb)
 
 	if (urb->actual_length && header->oh_len) {
 		struct tty_struct *tty = tty_port_tty_get(&port->port);
-		tty_insert_flip_string(tty, data + OMNINET_DATAOFFSET,
+		if (tty) {
+			tty_insert_flip_string(tty, data + OMNINET_DATAOFFSET,
 							header->oh_len);
-		tty_flip_buffer_push(tty);
-		tty_kref_put(tty);
+			tty_flip_buffer_push(tty);
+			tty_kref_put(tty);
+		}
 	}
 
 	/* Continue trying to always read  */