X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Ftty%2Fserial%2Fmax310x.c;h=0c2422cb04ea780bec20b0ed04cc2362df42c3cd;hb=2e124b4a390ca85325fae75764bef92f0547fa25;hp=a801f6872cad41764470c38eb51b52be94945f1d;hpb=e777d192ffb9f2929d547a2f8a5f65b7db7a9552;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index a801f6872cad..0c2422cb04ea 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -460,10 +460,6 @@ static int max310x_set_ref_clk(struct max310x_port *s)
 static void max310x_handle_rx(struct max310x_port *s, unsigned int rxlen)
 {
 	unsigned int sts = 0, ch = 0, flag;
-	struct tty_struct *tty = tty_port_tty_get(&s->port.state->port);
-
-	if (!tty)
-		return;
 
 	if (unlikely(rxlen >= MAX310X_FIFO_SIZE)) {
 		dev_warn(s->port.dev, "Possible RX FIFO overrun %d\n", rxlen);
@@ -516,9 +512,7 @@ static void max310x_handle_rx(struct max310x_port *s, unsigned int rxlen)
 				 ch, flag);
 	}
 
-	tty_flip_buffer_push(tty);
-
-	tty_kref_put(tty);
+	tty_flip_buffer_push(&s->port.state->port);
 }
 
 static void max310x_handle_tx(struct max310x_port *s)