1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index e02dc3d643c7..ec6c132a25b5 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -878,7 +878,7 @@ static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
                 dbg("%s - error sending break = %d", __func__, result);
 }
 
-static void pl2303_shutdown(struct usb_serial *serial)
+static void pl2303_release(struct usb_serial *serial)
 {
         int i;
         struct pl2303_private *priv;
@@ -890,7 +890,6 @@ static void pl2303_shutdown(struct usb_serial *serial)
                 if (priv) {
                         pl2303_buf_free(priv->buf);
                         kfree(priv);
-                        usb_set_serial_port_data(serial->port[i], NULL);
                 }
         }
 }
@@ -927,6 +926,8 @@ static void pl2303_update_line_status(struct usb_serial_port *port,
         spin_lock_irqsave(&priv->lock, flags);
         priv->line_status = data[status_idx];
         spin_unlock_irqrestore(&priv->lock, flags);
+        if (priv->line_status & UART_BREAK_ERROR)
+                usb_serial_handle_break(port);
         wake_up_interruptible(&priv->delta_msr_wait);
 }
 
@@ -1037,7 +1038,8 @@ static void pl2303_read_bulk_callback(struct urb *urb)
                 if (line_status & UART_OVERRUN_ERROR)
                         tty_insert_flip_char(tty, 0, TTY_OVERRUN);
                 for (i = 0; i < urb->actual_length; ++i)
-                        tty_insert_flip_char(tty, data[i], tty_flag);
+                        if (!usb_serial_handle_sysrq_char(port, data[i]))
+                                tty_insert_flip_char(tty, data[i], tty_flag);
                 tty_flip_buffer_push(tty);
         }
         tty_kref_put(tty);
@@ -1120,7 +1122,7 @@ static struct usb_serial_driver pl2303_device = {
         .write_room =           pl2303_write_room,
         .chars_in_buffer =      pl2303_chars_in_buffer,
         .attach =               pl2303_startup,
-        .shutdown =             pl2303_shutdown,
+        .release =              pl2303_release,
 };
 
 static int __init pl2303_init(void)