diff --git a/[refs] b/[refs]
index 0622520ec6c7..c70caa0c2c10 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bb0fe533514c1d480c6c16f8bad070270a73a96c
+refs/heads/master: 85b8e3ffc47b2a1913be3079e9f1c1f66a6240b2
diff --git a/trunk/drivers/serial/sh-sci.c b/trunk/drivers/serial/sh-sci.c
index 4f73fb756745..5f90fcd7d107 100644
--- a/trunk/drivers/serial/sh-sci.c
+++ b/trunk/drivers/serial/sh-sci.c
@@ -1004,8 +1004,9 @@ static void sci_rx_dma_release(struct sci_port *s, bool enable_pio)
 	s->chan_rx = NULL;
 	s->cookie_rx[0] = s->cookie_rx[1] = -EINVAL;
 	dma_release_channel(chan);
-	dma_free_coherent(port->dev, s->buf_len_rx * 2,
-			  sg_virt(&s->sg_rx[0]), sg_dma_address(&s->sg_rx[0]));
+	if (sg_dma_address(&s->sg_rx[0]))
+		dma_free_coherent(port->dev, s->buf_len_rx * 2,
+				  sg_virt(&s->sg_rx[0]), sg_dma_address(&s->sg_rx[0]));
 	if (enable_pio)
 		sci_start_rx(port);
 }