diff --git a/[refs] b/[refs]
index bced312b155a..f2142cae2975 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f8a9e72d125f4e00ec529ba67b674321a1f3bf31
+refs/heads/master: 33b2831ac870d50cc8e01c317b07fb1e69c13fe1
diff --git a/trunk/drivers/usb/host/xhci-mem.c b/trunk/drivers/usb/host/xhci-mem.c
index 0b5ff2618de7..497ed7723e44 100644
--- a/trunk/drivers/usb/host/xhci-mem.c
+++ b/trunk/drivers/usb/host/xhci-mem.c
@@ -1815,6 +1815,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 	xhci->event_ring = NULL;
 	xhci_dbg(xhci, "Freed event ring\n");
 
+	xhci->cmd_ring_reserved_trbs = 0;
 	if (xhci->cmd_ring)
 		xhci_ring_free(xhci, xhci->cmd_ring);
 	xhci->cmd_ring = NULL;