vfio_pci: Restore original state on release
vfio_pci_enable() saves the device's initial configuration information with the intent that it is restored in vfio_pci_disable(). However, the commit referenced in Fixes: below replaced the call to __pci_reset_function_locked(), which is not wrapped in a state save and restore, with pci_try_reset_function(), which overwrites the restored device state with the current state before applying it to the device. Reinstate use of __pci_reset_function_locked() to return to the desired behavior. Fixes: 890ed578 ("vfio-pci: Use pci "try" reset interface") Signed-off-by:hexin <hexin15@baidu.com> Signed-off-by:
Liu Qi <liuqi16@baidu.com> Signed-off-by:
Zhang Yu <zhangyu31@baidu.com> Signed-off-by:
Alex Williamson <alex.williamson@redhat.com>
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