linux-kernel - [PATCH 2/7] staging: r8188eu: don't restart WPS blinking unnecessarily

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon,  5 Sep 2022 22:01:41 +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 2/7] staging: r8188eu: don't restart WPS blinking unnecessarily

Simplify one of the cases in rtw_led_control. If we're already blinking
during WPS, we don't have to restart this blinking when the caller
requests it again. We can simply return and keep on blinking.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_led.c | 49 +++++++++++++-------------
 1 file changed, 25 insertions(+), 24 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_led.c b/drivers/staging/r8188eu/core/rtw_led.c
index dd3f0169ff94..d899e42b703d 100644
--- a/drivers/staging/r8188eu/core/rtw_led.c
+++ b/drivers/staging/r8188eu/core/rtw_led.c
@@ -309,31 +309,32 @@ void rtw_led_control(struct adapter *padapter, enum LED_CTL_MODE LedAction)
 		}
 		break;
 	case LED_CTL_START_WPS: /* wait until xinpin finish */
-		if (!pLed->bLedWPSBlinkInProgress) {
-			if (pLed->bLedNoLinkBlinkInProgress) {
-				cancel_delayed_work(&pLed->blink_work);
-				pLed->bLedNoLinkBlinkInProgress = false;
-			}
-			if (pLed->bLedLinkBlinkInProgress) {
-				cancel_delayed_work(&pLed->blink_work);
-				pLed->bLedLinkBlinkInProgress = false;
-			}
-			if (pLed->bLedBlinkInProgress) {
-				cancel_delayed_work(&pLed->blink_work);
-				pLed->bLedBlinkInProgress = false;
-			}
-			if (pLed->bLedScanBlinkInProgress) {
-				cancel_delayed_work(&pLed->blink_work);
-				pLed->bLedScanBlinkInProgress = false;
-			}
-			pLed->bLedWPSBlinkInProgress = true;
-			pLed->CurrLedState = LED_BLINK_WPS;
-			if (pLed->bLedOn)
-				pLed->BlinkingLedState = RTW_LED_OFF;
-			else
-				pLed->BlinkingLedState = RTW_LED_ON;
-			schedule_delayed_work(&pLed->blink_work, LED_BLINK_SCAN_INTVL);
+		if (pLed->bLedWPSBlinkInProgress)
+			return;
+
+		if (pLed->bLedNoLinkBlinkInProgress) {
+			cancel_delayed_work(&pLed->blink_work);
+			pLed->bLedNoLinkBlinkInProgress = false;
 		}
+		if (pLed->bLedLinkBlinkInProgress) {
+			cancel_delayed_work(&pLed->blink_work);
+			pLed->bLedLinkBlinkInProgress = false;
+		}
+		if (pLed->bLedBlinkInProgress) {
+			cancel_delayed_work(&pLed->blink_work);
+			pLed->bLedBlinkInProgress = false;
+		}
+		if (pLed->bLedScanBlinkInProgress) {
+			cancel_delayed_work(&pLed->blink_work);
+			pLed->bLedScanBlinkInProgress = false;
+		}
+		pLed->bLedWPSBlinkInProgress = true;
+		pLed->CurrLedState = LED_BLINK_WPS;
+		if (pLed->bLedOn)
+			pLed->BlinkingLedState = RTW_LED_OFF;
+		else
+			pLed->BlinkingLedState = RTW_LED_ON;
+		schedule_delayed_work(&pLed->blink_work, LED_BLINK_SCAN_INTVL);
 		break;
 	case LED_CTL_STOP_WPS:
 		if (pLed->bLedNoLinkBlinkInProgress) {
-- 
2.30.2