diff --git a/[refs] b/[refs]
index 0313ab935387..c0503b6c6525 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3132122c664dd9361e2179e8a388d87ca89ace6c
+refs/heads/master: d17d535fec07dbd298b3f65838ec8d63c26ab360
diff --git a/trunk/drivers/usb/musb/musb_gadget.c b/trunk/drivers/usb/musb/musb_gadget.c
index 49d7bee7dbde..8d2cce106f04 100644
--- a/trunk/drivers/usb/musb/musb_gadget.c
+++ b/trunk/drivers/usb/musb/musb_gadget.c
@@ -373,7 +373,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
 		request_size = min_t(size_t, request->length - request->actual,
 					musb_ep->dma->max_len);
 
-		use_dma = (request->dma != DMA_ADDR_INVALID);
+		use_dma = (request->dma != DMA_ADDR_INVALID && request_size);
 
 		/* MUSB_TXCSR_P_ISO is still set correctly */