staging: r8188eu: Remove wrapper around mutex_destroy

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_xmit.c

@@ -277,7 +277,7 @@ void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv)
 
 	rtw_free_hwxmits(padapter);
 
-	_rtw_mutex_free(&pxmitpriv->ack_tx_mutex);
+	mutex_destroy(&pxmitpriv->ack_tx_mutex);
 
 out:
 

drivers/staging/rtl8188eu/include/osdep_service.h

@@ -257,7 +257,6 @@ void rtw_list_insert_tail(struct list_head *plist, struct list_head *phead);
 void rtw_list_delete(struct list_head *plist);
 
 u32  _rtw_down_sema(struct semaphore *sema);
-void _rtw_mutex_free(struct mutex *pmutex);
 
 void _rtw_init_queue(struct __queue *pqueue);
 u32  _rtw_queue_empty(struct __queue *pqueue);

drivers/staging/rtl8188eu/os_dep/osdep_service.c

@@ -169,11 +169,6 @@ u32 _rtw_down_sema(struct semaphore *sema)
 		return _SUCCESS;
 }
 
-void	_rtw_mutex_free(struct mutex *pmutex)
-{
-	mutex_destroy(pmutex);
-}
-
 void	_rtw_init_queue(struct __queue *pqueue)
 {
 	_rtw_init_listhead(&(pqueue->queue));

drivers/staging/rtl8188eu/os_dep/usb_intf.c

@@ -144,7 +144,7 @@ static u8 rtw_deinit_intf_priv(struct dvobj_priv *dvobj)
 	u8 rst = _SUCCESS;
 
 	kfree(dvobj->usb_alloc_vendor_req_buf);
-	_rtw_mutex_free(&dvobj->usb_vendor_req_mutex);
+	mutex_destroy(&dvobj->usb_vendor_req_mutex);
 	return rst;
 }
 
@@ -881,7 +881,7 @@ static void __exit rtw_drv_halt(void)
 	usb_drv->drv_registered = false;
 	usb_deregister(&usb_drv->usbdrv);
 
-	_rtw_mutex_free(&usb_drv->hw_init_mutex);
+	mutex_destroy(&usb_drv->hw_init_mutex);
 	DBG_88E("-rtw_drv_halt\n");
 }