diff options
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
-rw-r--r-- | drivers/usb/host/xhci-hub.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index da9158f171cb..f070f94a8022 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -621,7 +621,10 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci, xhci_dbg(xhci, "Disable all slots\n"); spin_unlock_irqrestore(&xhci->lock, *flags); for (i = 1; i <= HCS_MAX_SLOTS(xhci->hcs_params1); i++) { - retval = xhci_disable_slot(xhci, NULL, i); + if (!xhci->devs[i]) + continue; + + retval = xhci_disable_slot(xhci, i); if (retval) xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n", i, retval); |