usb: musb: tusb: Fix possible null pointer dereference in tusb6010_omap.c

tusb_dma was being dereferenced when it was nul

Signed-off-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index c061a88..99cb541 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -680,7 +680,7 @@
 
 	tusb_dma = kzalloc(sizeof(struct tusb_omap_dma), GFP_KERNEL);
 	if (!tusb_dma)
-		goto cleanup;
+		goto out;
 
 	tusb_dma->musb = musb;
 	tusb_dma->tbase = musb->ctrl_base;
@@ -721,6 +721,6 @@
 
 cleanup:
 	dma_controller_destroy(&tusb_dma->controller);
-
+out:
 	return NULL;
 }