diff --git a/[refs] b/[refs]
index 194e41c3a868..080189ce0043 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 689d6eacd1b7c3677bfe6ee367766f21c3c80e26
+refs/heads/master: c8458d59d424fcba2456d6cba5811ce01c3aedb9
diff --git a/trunk/drivers/usb/gadget/langwell_udc.c b/trunk/drivers/usb/gadget/langwell_udc.c
index d297f9eb92e4..064306046702 100644
--- a/trunk/drivers/usb/gadget/langwell_udc.c
+++ b/trunk/drivers/usb/gadget/langwell_udc.c
@@ -2440,12 +2440,14 @@ static int process_ep_req(struct langwell_udc *dev, int index,
 	dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__);
 
 	for (i = 0; i < curr_req->dtd_count; i++) {
-		remaining_length = le16_to_cpu(curr_dtd->dtd_total);
-		actual -= remaining_length;
 
 		/* command execution states by dTD */
 		dtd_status = curr_dtd->dtd_status;
 
+		barrier();
+		remaining_length = le16_to_cpu(curr_dtd->dtd_total);
+		actual -= remaining_length;
+
 		if (!dtd_status) {
 			/* transfers completed successfully */
 			if (!remaining_length) {