Staging: rtl8723bs: Remove unnecessary local variable in function

Remove unnecessary local variable 'res' in function and
replace the value directly in the return of the function.
Signed-off-by: Madhumitha Prabakaran <madhumithabiw@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_cmd.c

@@ -203,8 +203,6 @@ int rtw_init_cmd_priv(struct	cmd_priv *pcmdpriv)
 static void c2h_wk_callback(_workitem *work);
 int rtw_init_evt_priv(struct evt_priv *pevtpriv)
 {
-	int res = _SUCCESS;
-
 	/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
 	atomic_set(&pevtpriv->event_seq, 0);
 	pevtpriv->evt_done_cnt = 0;
@@ -213,7 +211,7 @@ int rtw_init_evt_priv(struct evt_priv *pevtpriv)
 	pevtpriv->c2h_wk_alive = false;
 	pevtpriv->c2h_queue = rtw_cbuf_alloc(C2H_QUEUE_MAX_LEN+1);
 
-	return res;
+	return 0;
 }
 
 void _rtw_free_evt_priv(struct	evt_priv *pevtpriv)