1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 1e2b9d826f6..eab03273379 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -556,7 +556,7 @@ static int uart_chars_in_buffer(struct tty_struct *tty)
 static void uart_flush_buffer(struct tty_struct *tty)
 {
         struct uart_state *state = tty->driver_data;
-        struct uart_port *port = state->port;
+        struct uart_port *port;
         unsigned long flags;
 
         /*
@@ -568,6 +568,7 @@ static void uart_flush_buffer(struct tty_struct *tty)
                 return;
         }
 
+        port = state->port;
         pr_debug("uart_flush_buffer(%d) called\n", tty->index);
 
         spin_lock_irqsave(&port->lock, flags);