diff options
| -rw-r--r-- | drivers/usb/host/xhci.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b2c56d15fb4..34cf4e16587 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2431,8 +2431,12 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) xhci_err(xhci, "Error while assigning device slot ID\n"); return 0; } - /* xhci_alloc_virt_device() does not touch rings; no need to lock */ - if (!xhci_alloc_virt_device(xhci, xhci->slot_id, udev, GFP_KERNEL)) { + /* xhci_alloc_virt_device() does not touch rings; no need to lock. + * Use GFP_NOIO, since this function can be called from + * xhci_discover_or_reset_device(), which may be called as part of + * mass storage driver error handling. + */ + if (!xhci_alloc_virt_device(xhci, xhci->slot_id, udev, GFP_NOIO)) { /* Disable slot, if we can do it without mem alloc */ xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n"); spin_lock_irqsave(&xhci->lock, flags); |