staging: rtl8188eu: don't block until cmdthread runs

rtw_start_drv_threads starts a cmdthread that runs in a loop. It
reads a command from a queue and processes it. There's no need for
any synchronization when this thread is started.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210505202622.11087-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_cmd.c

@@ -181,7 +181,6 @@ int rtw_cmd_thread(void *context)
 	allow_signal(SIGTERM);
 
 	pcmdpriv->cmdthd_running = true;
-	complete(&pcmdpriv->terminate_cmdthread_comp);
 
 	RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_,
 		 ("start r871x %s !!!!\n", __func__));

drivers/staging/rtl8188eu/os_dep/os_intfs.c

@@ -330,9 +330,6 @@ static int rtw_start_drv_threads(struct adapter *padapter)
 					  "RTW_CMD_THREAD");
 	if (IS_ERR(padapter->cmdThread))
 		err = PTR_ERR(padapter->cmdThread);
-	else
-		/* wait for cmd_thread to run */
-		wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
 
 	return err;
 }