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Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 71aeca019e88..0dcb4164dc83 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -199,6 +199,10 @@ static int ehci_bus_resume (struct usb_hcd *hcd) if (time_before (jiffies, ehci->next_statechange)) msleep(5); spin_lock_irq (&ehci->lock); + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + spin_unlock_irq(&ehci->lock); + return -ESHUTDOWN; + } /* Ideally and we've got a real resume here, and no port's power * was lost. (For PCI, that means Vaux was maintained.) But we |
