1 files changed, 7 insertions, 14 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d07fccf3bab5..edd162df49ca 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1960,9 +1960,8 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
 
 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
 
-static int ftdi_process_packet(struct tty_struct *tty,
-		struct usb_serial_port *port, struct ftdi_private *priv,
-		char *packet, int len)
+static int ftdi_process_packet(struct usb_serial_port *port,
+		struct ftdi_private *priv, char *packet, int len)
 {
 	int i;
 	char status;
@@ -2012,7 +2011,7 @@ static int ftdi_process_packet(struct tty_struct *tty,
 		/* Overrun is special, not associated with a char */
 		if (packet[1] & FTDI_RS_OE) {
 			priv->icount.overrun++;
-			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
 		}
 	}
 
@@ -2031,10 +2030,10 @@ static int ftdi_process_packet(struct tty_struct *tty,
 	if (port->port.console && port->sysrq) {
 		for (i = 0; i < len; i++, ch++) {
 			if (!usb_serial_handle_sysrq_char(port, *ch))
-				tty_insert_flip_char(tty, *ch, flag);
+				tty_insert_flip_char(&port->port, *ch, flag);
 		}
 	} else {
-		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
+		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
 	}
 
 	return len;
@@ -2043,25 +2042,19 @@ static int ftdi_process_packet(struct tty_struct *tty,
 static void ftdi_process_read_urb(struct urb *urb)
 {
 	struct usb_serial_port *port = urb->context;
-	struct tty_struct *tty;
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	char *data = (char *)urb->transfer_buffer;
 	int i;
 	int len;
 	int count = 0;
 
-	tty = tty_port_tty_get(&port->port);
-	if (!tty)
-		return;
-
 	for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
 		len = min_t(int, urb->actual_length - i, priv->max_packet_size);
-		count += ftdi_process_packet(tty, port, priv, &data[i], len);
+		count += ftdi_process_packet(port, priv, &data[i], len);
 	}
 
 	if (count)
-		tty_flip_buffer_push(tty);
-	tty_kref_put(tty);
+		tty_flip_buffer_push(&port->port);
 }
 
 static void ftdi_break_ctl(struct tty_struct *tty, int break_state)