1 files changed, 1 insertions, 11 deletions

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 2c5a3e4a17db..44077c0b7670 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -667,31 +667,21 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf)
 
 static int dma_push_rx(struct eg20t_port *priv, int size)
 {
-        struct tty_struct *tty;
         int room;
         struct uart_port *port = &priv->port;
         struct tty_port *tport = &port->state->port;
 
-        port = &priv->port;
-        tty = tty_port_tty_get(tport);
-        if (!tty) {
-                dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
-                return 0;
-        }
-
         room = tty_buffer_request_room(tport, size);
 
         if (room < size)
                 dev_warn(port->dev, "Rx overrun: dropping %u bytes\n",
                          size - room);
         if (!room)
-                goto out;
+                return 0;
 
         tty_insert_flip_string(tport, sg_virt(&priv->sg_rx), size);
 
         port->icount.rx += room;
-out:
-        tty_kref_put(tty);
 
         return room;
 }