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由 Rafael J. Wysocki 提交于
acpi_bus_attach() does not check the visited flag for devices that have been enumerated already and some of them may be enumerated for multiple times as a result, because some callers of acpi_bus_scan() don't check the visited flag either. For this reason, modify acpi_bus_attach() to check the visited flag and avoid enumerating devices that have already been enumerated. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: NMika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: NJoey Lee <jlee@suse.com>
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