Commit d94d3dff authored by Andrew Morton's avatar Andrew Morton Committed by Len Brown
Browse files

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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent a74388e2

include/acpi/acpi_drivers.h

+19 −5
Original line number Diff line number Diff line
@@ -122,10 +122,24 @@ extern int register_hotplug_dock_device(acpi_handle handle, 
	acpi_notify_handler handler, void *context);

extern void unregister_hotplug_dock_device(acpi_handle handle);

#else

#define is_dock_device(h)			(0)

#define register_dock_notifier(nb) 		(-ENODEV)

#define unregister_dock_notifier(nb)           	do { } while(0)

#define register_hotplug_dock_device(h1, h2, c)	(-ENODEV)

#define unregister_hotplug_dock_device(h)       do { } while(0)

static inline int is_dock_device(acpi_handle handle)

{

	return 0;

}

static inline int register_dock_notifier(struct notifier_block *nb)

{

	return -ENODEV;

}

static inline void unregister_dock_notifier(struct notifier_block *nb)

{

}

static inline int register_hotplug_dock_device(acpi_handle handle,

				acpi_notify_handler handler, void *context)

{

	return -ENODEV;

}

static inline void unregister_hotplug_dock_device(acpi_handle handle)

{

}

#endif

#endif /*__ACPI_DRIVERS_H__*/

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