[PATCH] fixup! usb: xhci: Guard all calls to xhci_wait_for_event

[Hector Martin]

Gah, I should've paid more attention to that rebase. Here's a dumb
fixup for this patch. I'll squash it into a v2 if needed alongside
any other changes, or if it looks good feel free to apply/squash
it in directly.

---
 drivers/usb/host/xhci-ring.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index e2bd2e999a8e..7f2507be0cf0 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -532,6 +532,7 @@ static void reset_ep(struct usb_device *udev, int ep_index)
 	event = xhci_wait_for_event(ctrl, TRB_COMPLETION);
 	if (!event)
 		return;
+	field = le32_to_cpu(event->trans_event.flags);
 	BUG_ON(TRB_TO_SLOT_ID(field) != udev->slot_id);
 	xhci_acknowledge_event(ctrl);
 
-- 
2.41.0