staging: rtl8712: remove wrapper function thread_enter()

The inline function thread_enter() accepts a single ignored parameter and is
just a wrapper for allow_signal(SIGTERM).  Removed.
Signed-off-by: James A Shackleford <shack@linux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/osdep_service.h

@@ -118,11 +118,6 @@ static inline unsigned char _cancel_timer_ex(struct timer_list *ptimer)
 	return del_timer(ptimer);
 }
 
-static inline void thread_enter(void *context)
-{
-	allow_signal(SIGTERM);
-}
-
 static inline void flush_signals_thread(void)
 {
 	if (signal_pending(current))

drivers/staging/rtl8712/rtl8712_cmd.c

@@ -326,7 +326,7 @@ int r8712_cmd_thread(void *context)
 	struct _adapter *padapter = (struct _adapter *)context;
 	struct	cmd_priv	*pcmdpriv = &(padapter->cmdpriv);
 
-	thread_enter(padapter);
+	allow_signal(SIGTERM);
 	while (1) {
 		if ((_down_sema(&(pcmdpriv->cmd_queue_sema))) == _FAIL)
 			break;