From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A59EC7619A for ; Wed, 12 Apr 2023 11:03:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229532AbjDLLDs (ORCPT ); Wed, 12 Apr 2023 07:03:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229481AbjDLLDr (ORCPT ); Wed, 12 Apr 2023 07:03:47 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8D58165B0 for ; Wed, 12 Apr 2023 04:03:46 -0700 (PDT) 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 C39A4D75; Wed, 12 Apr 2023 04:04:30 -0700 (PDT) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 87CFA3F73F; Wed, 12 Apr 2023 04:03:45 -0700 (PDT) From: Suzuki K Poulose To: stable@vger.kernel.org Cc: gregkh@linuxfoundation.org, Suzuki K Poulose , Steve Clevenger , James Clark Subject: [PATCH stable 4.19] coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug Date: Wed, 12 Apr 2023 12:03:31 +0100 Message-Id: <20230412110331.727391-1-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <2023041128-deepen-persuaded-0de9@gregkh> References: <2023041128-deepen-persuaded-0de9@gregkh> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org commit bf84937e882009075f57fd213836256fc65d96bc upstream In etm4_enable_hw, fix for() loop range to represent address comparator pairs. Fixes: 2e1cdfe184b5 ("coresight-etm4x: Adding CoreSight ETM4x driver") Cc: stable@vger.kernel.org # 4.19.x Signed-off-by: Steve Clevenger Reviewed-by: James Clark Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/4a4ee61ce8ef402615a4528b21a051de3444fb7b.1677540079.git.scclevenger@os.amperecomputing.com --- drivers/hwtracing/coresight/coresight-etm4x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index b7bc08cf90c6..56357322f594 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -143,7 +143,7 @@ static void etm4_enable_hw(void *info) writel_relaxed(config->ss_pe_cmp[i], drvdata->base + TRCSSPCICRn(i)); } - for (i = 0; i < drvdata->nr_addr_cmp; i++) { + for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) { writeq_relaxed(config->addr_val[i], drvdata->base + TRCACVRn(i)); writeq_relaxed(config->addr_acc[i], -- 2.34.1