diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/xhci.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 8f2a56ece44f..58183d2a8089 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c | |||
@@ -1314,8 +1314,10 @@ int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, | |||
1314 | if (ret <= 0) | 1314 | if (ret <= 0) |
1315 | return ret; | 1315 | return ret; |
1316 | xhci = hcd_to_xhci(hcd); | 1316 | xhci = hcd_to_xhci(hcd); |
1317 | xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev); | 1317 | if (xhci->xhc_state & XHCI_STATE_DYING) |
1318 | return -ENODEV; | ||
1318 | 1319 | ||
1320 | xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev); | ||
1319 | drop_flag = xhci_get_endpoint_flag(&ep->desc); | 1321 | drop_flag = xhci_get_endpoint_flag(&ep->desc); |
1320 | if (drop_flag == SLOT_FLAG || drop_flag == EP0_FLAG) { | 1322 | if (drop_flag == SLOT_FLAG || drop_flag == EP0_FLAG) { |
1321 | xhci_dbg(xhci, "xHCI %s - can't drop slot or ep 0 %#x\n", | 1323 | xhci_dbg(xhci, "xHCI %s - can't drop slot or ep 0 %#x\n", |
@@ -1401,6 +1403,8 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, | |||
1401 | return ret; | 1403 | return ret; |
1402 | } | 1404 | } |
1403 | xhci = hcd_to_xhci(hcd); | 1405 | xhci = hcd_to_xhci(hcd); |
1406 | if (xhci->xhc_state & XHCI_STATE_DYING) | ||
1407 | return -ENODEV; | ||
1404 | 1408 | ||
1405 | added_ctxs = xhci_get_endpoint_flag(&ep->desc); | 1409 | added_ctxs = xhci_get_endpoint_flag(&ep->desc); |
1406 | last_ctx = xhci_last_valid_endpoint(added_ctxs); | 1410 | last_ctx = xhci_last_valid_endpoint(added_ctxs); |
@@ -1676,6 +1680,8 @@ int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) | |||
1676 | if (ret <= 0) | 1680 | if (ret <= 0) |
1677 | return ret; | 1681 | return ret; |
1678 | xhci = hcd_to_xhci(hcd); | 1682 | xhci = hcd_to_xhci(hcd); |
1683 | if (xhci->xhc_state & XHCI_STATE_DYING) | ||
1684 | return -ENODEV; | ||
1679 | 1685 | ||
1680 | xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev); | 1686 | xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev); |
1681 | virt_dev = xhci->devs[udev->slot_id]; | 1687 | virt_dev = xhci->devs[udev->slot_id]; |