[PATCH] tools/power/acpi/os_specific/service_layers/osunixxf.c:remove unnecessary (void*) conversions

[Dong Chuanjian]

remove unnecessary void* type casting

Signed-off-by: Dong Chuanjian <chuanjian@xxxxxxxxxxxx>

diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c
index b3651a04d68c..a7e65fb95caf 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixxf.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c
@@ -679,7 +679,7 @@ acpi_os_create_semaphore(u32 max_units,
 
 acpi_status acpi_os_delete_semaphore(acpi_handle handle)
 {
-	sem_t *sem = (sem_t *) handle;
+	sem_t *sem = handle;
 
 	if (!sem) {
 		return (AE_BAD_PARAMETER);
@@ -715,7 +715,7 @@ acpi_status
 acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 msec_timeout)
 {
 	acpi_status status = AE_OK;
-	sem_t *sem = (sem_t *) handle;
+	sem_t *sem = handle;
 	int ret_val;
 #ifndef ACPI_USE_ALTERNATE_TIMEOUT
 	struct timespec time;
@@ -832,7 +832,7 @@ acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 msec_timeout)
 
 acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units)
 {
-	sem_t *sem = (sem_t *) handle;
+	sem_t *sem = handle;
 
 	if (!sem) {
 		return (AE_BAD_PARAMETER);
-- 
2.18.2