linux-kernel - [PATCH 08/10] staging: r8188eu: remove padapter from struct led

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Date:   Sat, 15 Oct 2022 17:11:13 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 08/10] staging: r8188eu: remove padapter from struct led_priv

The only struct led_priv that's used in the r8188eu driver in embedded in
the driver's global struct adapter. We can use container_of to access the
"outer" structure, there's no need to store a pointer to it.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_led.c    | 3 +--
 drivers/staging/r8188eu/include/rtw_led.h | 2 --
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_led.c b/drivers/staging/r8188eu/core/rtw_led.c
index 56f043d8ff38..2dbd7b5ffdd0 100644
--- a/drivers/staging/r8188eu/core/rtw_led.c
+++ b/drivers/staging/r8188eu/core/rtw_led.c
@@ -59,7 +59,7 @@ static void blink_work(struct work_struct *work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
 	struct led_priv *pLed = container_of(dwork, struct led_priv, blink_work);
-	struct adapter *padapter = pLed->padapter;
+	struct adapter *padapter = container_of(pLed, struct adapter, ledpriv);
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 
 	if (padapter->pwrctrlpriv.rf_pwrstate != rf_on) {
@@ -132,7 +132,6 @@ void rtl8188eu_InitSwLeds(struct adapter *padapter)
 {
 	struct led_priv *pledpriv = &padapter->ledpriv;
 
-	pledpriv->padapter = padapter;
 	ResetLedStatus(pledpriv);
 	INIT_DELAYED_WORK(&pledpriv->blink_work, blink_work);
 }
diff --git a/drivers/staging/r8188eu/include/rtw_led.h b/drivers/staging/r8188eu/include/rtw_led.h
index f57dcf6c8b24..ea5f5edd9013 100644
--- a/drivers/staging/r8188eu/include/rtw_led.h
+++ b/drivers/staging/r8188eu/include/rtw_led.h
@@ -33,8 +33,6 @@ enum LED_STATE_871x {
 };
 
 struct led_priv {
-	struct adapter *padapter;
-
 	bool bRegUseLed;
 
 	enum LED_STATE_871x	CurrLedState; /*  Current LED state. */
-- 
2.30.2