From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-in-15.arcor-online.net ([151.189.21.55]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bNhSb-0001oz-Qk for barebox@lists.infradead.org; Thu, 14 Jul 2016 14:17:54 +0000 Received: from mail-in-01-z2.arcor-online.net (mail-in-01-z2.arcor-online.net [151.189.8.13]) by mx.arcor.de (Postfix) with ESMTP id 3rqyT50LG3zC5HC for ; Thu, 14 Jul 2016 16:17:29 +0200 (CEST) Received: from mail-in-16.arcor-online.net (mail-in-16.arcor-online.net [151.189.21.56]) by mail-in-01-z2.arcor-online.net (Postfix) with ESMTP id F09F662C01C for ; Thu, 14 Jul 2016 16:17:28 +0200 (CEST) Received: from itng-giorgio.wgast.mobotix.net (wwl-pub.mobotixserver.de [213.183.84.172]) (Authenticated sender: giorgio.nicole@arcor.de) by mail-in-16.arcor-online.net (Postfix) with ESMTPA id 3rqyT45R6tz4q6n for ; Thu, 14 Jul 2016 16:17:28 +0200 (CEST) From: iw3gtf@arcor.de Date: Thu, 14 Jul 2016 16:17:15 +0200 Message-Id: <20160714141718.20121-2-iw3gtf@arcor.de> In-Reply-To: <20160714141718.20121-1-iw3gtf@arcor.de> References: <20160713051805.GZ20657@pengutronix.de> <20160714141718.20121-1-iw3gtf@arcor.de> In-Reply-To: <20160713051805.GZ20657@pengutronix.de> References: <20160713051805.GZ20657@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/4] video/backlight-pwm: fixed a loop index going out of range. To: barebox@lists.infradead.org In the function pwm_backlight_parse_dt() the last iteration of the for loop accessed memory past the end of the array 'pwm_backlight->levels[]' because of a wrong test ( '<=' instead of '<'). --- drivers/video/backlight-pwm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight-pwm.c b/drivers/video/backlight-pwm.c index 91435f8..3024ec6 100644 --- a/drivers/video/backlight-pwm.c +++ b/drivers/video/backlight-pwm.c @@ -150,7 +150,7 @@ static int pwm_backlight_parse_dt(struct device_d *dev, if (ret < 0) return ret; - for (i = 0; i <= pwm_backlight->backlight.brightness_max; i++) + for (i = 0; i < pwm_backlight->backlight.brightness_max; i++) if (pwm_backlight->levels[i] > pwm_backlight->scale) pwm_backlight->scale = pwm_backlight->levels[i]; -- 2.9.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox