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USB: shutdown all URBs after controller death

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When a host controller dies, we don't need to wait for a driver to
time out.  We can shut down its URBs immediately.  Without this
change, we can end up waiting 30 seconds for a mass-storage transfer
to time out.

Signed-off-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Alan Stern 2014-07-17 15:40:57 -04:00 • committed by Greg Kroah-Hartman
commit 1299cff9fa
1 changed files with 4 additions and 3 deletions
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7
drivers/usb/core/driver.c
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@ -417,10 +417,11 @@ static int usb_unbind_interface(struct device *dev)
*/
lpm_disable_error = usb_unlocked_disable_lpm(udev);
/* Terminate all URBs for this interface unless the driver
* supports "soft" unbinding.
/*
* Terminate all URBs for this interface unless the driver
* supports "soft" unbinding and the device is still present.
*/
if (!driver->soft_unbind)
if (!driver->soft_unbind || udev->state == USB_STATE_NOTATTACHED)
usb_disable_interface(udev, intf, false);
driver->disconnect(intf);