ACPI: bay: fix build warning
drivers/acpi/bay.c: In function 'bay_add': drivers/acpi/bay.c:310: warning: statement with no effect Fix it by rewriting those macros in C. Much nicer. Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -122,10 +122,24 @@ extern int register_hotplug_dock_device(acpi_handle handle,
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acpi_notify_handler handler, void *context);
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extern void unregister_hotplug_dock_device(acpi_handle handle);
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#else
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#define is_dock_device(h) (0)
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#define register_dock_notifier(nb) (-ENODEV)
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#define unregister_dock_notifier(nb) do { } while(0)
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#define register_hotplug_dock_device(h1, h2, c) (-ENODEV)
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#define unregister_hotplug_dock_device(h) do { } while(0)
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static inline int is_dock_device(acpi_handle handle)
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{
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return 0;
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}
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static inline int register_dock_notifier(struct notifier_block *nb)
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{
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return -ENODEV;
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}
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static inline void unregister_dock_notifier(struct notifier_block *nb)
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{
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}
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static inline int register_hotplug_dock_device(acpi_handle handle,
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acpi_notify_handler handler, void *context)
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{
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return -ENODEV;
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}
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static inline void unregister_hotplug_dock_device(acpi_handle handle)
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{
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}
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#endif
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#endif /*__ACPI_DRIVERS_H__*/
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