[PATCH] power/acpi: Remove unnecessary return in acpi_os_** function;

[Li zeming <zeming@xxxxxxxxxxxx>]

Remove the return in the function; it looks clearer.

Signed-off-by: Li zeming <zeming@xxxxxxxxxxxx>
---
 tools/power/acpi/os_specific/service_layers/osunixxf.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c
index b3651a04d68c..127630c38f1a 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixxf.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c
@@ -510,8 +510,6 @@ void *acpi_os_map_memory(acpi_physical_address where, acpi_size length)
 
 void acpi_os_unmap_memory(void *where, acpi_size length)
 {
-
-	return;
 }
 #endif
 
@@ -1313,5 +1311,4 @@ acpi_os_execute(acpi_execute_type type,
 
 void acpi_os_wait_events_complete(void)
 {
-	return;
 }
-- 
2.18.2