From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from foss.arm.com (foss.arm.com [217.140.110.172])
	by smtp.subspace.kernel.org (Postfix) with ESMTP id 512043CF664
	for <linux-kernel@vger.kernel.org>; Fri, 27 Mar 2026 09:56:20 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172
ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;
	t=1774605381; cv=none; b=fQdvgioUOWWp/yYLGZ6z0WWOMmWU1/y/qaLRvzvnMKRz8yoyCrubtQ3yyc0YRE+Ft1yMAr6MtiKL2icygVAV4JP1xOQfohMLGjBx9aZhcmngK0wc7bKHVWUjYQAO4AHGMvtBiFKNjHlra+dP/DPkhtlH+1Vml2xFDglA+EOw3KU=
ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org;
	s=arc-20240116; t=1774605381; c=relaxed/simple;
	bh=dlPj8lkdaAOtDjEZON3jMZ9wX1o6CwcZo+Yix425nAI=;
	h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version:
	 Content-Type:Content-Disposition:In-Reply-To; b=XqWBE+4mPyhgwx3oUKW1jay8iZ/wSDv9m1FesG1B4uIwM9iQsKl39O3vFwVhE4eTLzkuQcM9snLClXaz7FIZBF4wd+ypt/ejcVN0oV1pMUxKtI6ZzV6r2FCyIrAHFlGpHmD6j9jeJ7avfn25NZEmBnC/jKza5ELh78XhYrT0+RU=
ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=WLAuJu+8; arc=none smtp.client-ip=217.140.110.172
Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com
Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com
Authentication-Results: smtp.subspace.kernel.org;
	dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="WLAuJu+8"
Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])
	by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D99451764;
	Fri, 27 Mar 2026 02:56:13 -0700 (PDT)
Received: from localhost (e132581.arm.com [10.1.196.87])
	by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6121B3F915;
	Fri, 27 Mar 2026 02:56:19 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss;
	t=1774605379; bh=dlPj8lkdaAOtDjEZON3jMZ9wX1o6CwcZo+Yix425nAI=;
	h=Date:From:To:Cc:Subject:References:In-Reply-To:From;
	b=WLAuJu+8Fy5CSKcVsuClKcjT9b1lXKDb/w41XoC445CkUM0JAS3rQgSmujM5f82zG
	 qsonYpFWcxUs0VzbZPQZ3o5r+6Q20dSxV+VLawvAfjFoW/jZH+DcjbE4GXDgCsIrrm
	 bZ+b5xn/3GY14YWs1aF9BfxTVy4LC1Tn4QS354Iw=
Date: Fri, 27 Mar 2026 09:56:17 +0000
From: Leo Yan <leo.yan@arm.com>
To: Jie Gan <jie.gan@oss.qualcomm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>,
	Mike Leach <mike.leach@arm.com>,
	James Clark <james.clark@linaro.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Tingwei Zhang <tingwei.zhang@oss.qualcomm.com>,
	coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] coresight: cti: fix the check condition in
 inout_sel_store
Message-ID: <20260327095617.GC356832@e132581.arm.com>
References: <20260327-fix-cti-issue-v1-1-2c8921e21fc8@oss.qualcomm.com>
Precedence: bulk
X-Mailing-List: linux-kernel@vger.kernel.org
List-Id: <linux-kernel.vger.kernel.org>
List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20260327-fix-cti-issue-v1-1-2c8921e21fc8@oss.qualcomm.com>

On Fri, Mar 27, 2026 at 02:24:14PM +0800, Jie Gan wrote:
> Correct the upper bound from CTIINOUTEN_MAX to config->nr_trig_max,
> since nr_trig_max varies across CTI devices. An out-of-bounds issue
> occurs when a value greater than config->nr_trig_max is provided,
> leading to unexpected errors.
> 
> Fixes: b5213376c240 ("coresight: cti: Add sysfs access to program function registers")
> Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>

Reviewed-by: Leo Yan <leo.yan@arm.com>