linux-kernel - [PATCH 02/10] staging: r8188eu: handle rtw

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Message-Id: <20221015151115.232095-3-martin@kaiser.cx>
Date:   Sat, 15 Oct 2022 17:11:07 +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 02/10] staging: r8188eu: handle rtw_write8 errors in SwLedOn

Check the status returned by rtw_write8. Update bLedOn only if we could
update the REG_LEDCFG2 register.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_led.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/r8188eu/core/rtw_led.c b/drivers/staging/r8188eu/core/rtw_led.c
index 5b214488571b..4f1cad890cae 100644
--- a/drivers/staging/r8188eu/core/rtw_led.c
+++ b/drivers/staging/r8188eu/core/rtw_led.c
@@ -34,7 +34,9 @@ static void SwLedOn(struct adapter *padapter, struct led_priv *pLed)
 	if (padapter->bDriverStopped)
 		return;
 
-	rtw_write8(padapter, REG_LEDCFG2, BIT(5)); /*  SW control led0 on. */
+	if (rtw_write8(padapter, REG_LEDCFG2, BIT(5)) != _SUCCESS)
+		return;
+
 	pLed->bLedOn = true;
 }
 
-- 
2.30.2