uhci: fix uhci_async_cancel_all
We update the QTAILQ in the loop, thus we must use the SAFE version to make sure we don't touch the queue struct after freeing it. https://bugzilla.novell.com/show_bug.cgi?id=766310Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> (cherry picked from commit 77fa9aee) Signed-off-by: NMichael Roth <mdroth@linux.vnet.ibm.com>
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