staging: r8188eu: fix status updates in SwLedOff

Update bLedOn only if we could update the REG_LEDCFG2 register.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20221015151115.232095-4-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_led.c

@@ -43,10 +43,11 @@ static void SwLedOn(struct adapter *padapter, struct led_priv *pLed)
 static void SwLedOff(struct adapter *padapter, struct led_priv *pLed)
 {
 	if (padapter->bDriverStopped)
-		goto exit;
+		return;
+
+	if (rtw_write8(padapter, REG_LEDCFG2, BIT(5) | BIT(3)) != _SUCCESS)
+		return;
 
-	rtw_write8(padapter, REG_LEDCFG2, BIT(5) | BIT(3));
-exit:
 	pLed->bLedOn = false;
 }