diff --git a/[refs] b/[refs]
index de625bafb363..14c884ea8b42 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 96449f097e3874af0e8ddd721d3ebeed2ec389da
+refs/heads/master: 538bf07d897008e87eca49cde5970545f3814ac7
diff --git a/trunk/drivers/usb/musb/musb_gadget_ep0.c b/trunk/drivers/usb/musb/musb_gadget_ep0.c
index c9c1ac4e075f..2af45a0c8930 100644
--- a/trunk/drivers/usb/musb/musb_gadget_ep0.c
+++ b/trunk/drivers/usb/musb/musb_gadget_ep0.c
@@ -505,8 +505,10 @@ static void ep0_rxstate(struct musb *musb)
 			req->status = -EOVERFLOW;
 			count = len;
 		}
-		musb_read_fifo(&musb->endpoints[0], count, buf);
-		req->actual += count;
+		if (count > 0) {
+			musb_read_fifo(&musb->endpoints[0], count, buf);
+			req->actual += count;
+		}
 		csr = MUSB_CSR0_P_SVDRXPKTRDY;
 		if (count < 64 || req->actual == req->length) {
 			musb->ep0_state = MUSB_EP0_STAGE_STATUSIN;