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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EC37C433B4 for ; Thu, 20 May 2021 13:50:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0AB0B611AE for ; Thu, 20 May 2021 13:50:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239758AbhETNvs (ORCPT ); Thu, 20 May 2021 09:51:48 -0400 Received: from mga14.intel.com ([192.55.52.115]:46824 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231791AbhETNvr (ORCPT ); Thu, 20 May 2021 09:51:47 -0400 IronPort-SDR: 5CAE9O3ytHr2n1JDDuPKlIPKN6avKwiroJN5ZqvPSN/IFbwPpk7zmWQ9y5dkd8xonUriVL+lnr aBL4Z3fNP4dA== X-IronPort-AV: E=McAfee;i="6200,9189,9989"; a="200931046" X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="200931046" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2021 06:50:25 -0700 IronPort-SDR: usIQ2blDcpHo2GhwUkQ5zTclH0xpCXHzJYPIi1deRSrWr+15RF5kVxVI/VmBtj7GvFO4x6+lCm qisOTp+GmUlA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="412181833" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 20 May 2021 06:50:22 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 8A47012A; Thu, 20 May 2021 16:50:44 +0300 (EEST) From: Andy Shevchenko To: Greg Kroah-Hartman , Mathieu Poirier , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Suzuki K Poulose , Mike Leach , Leo Yan , Alexander Shishkin , Andy Shevchenko Subject: [PATCH v1 1/1] coresight: core: Switch to krealloc_array() Date: Thu, 20 May 2021 16:50:41 +0300 Message-Id: <20210520135041.56163-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Let the krealloc_array() check for multiplication overflow. Signed-off-by: Andy Shevchenko --- drivers/hwtracing/coresight/coresight-core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c index 6c68d34d956e..a7971c68b0be 100644 --- a/drivers/hwtracing/coresight/coresight-core.c +++ b/drivers/hwtracing/coresight/coresight-core.c @@ -1730,9 +1730,9 @@ char *coresight_alloc_device_name(struct coresight_dev_list *dict, if (idx < 0) { /* Make space for the new entry */ idx = dict->nr_idx; - list = krealloc(dict->fwnode_list, - (idx + 1) * sizeof(*dict->fwnode_list), - GFP_KERNEL); + list = krealloc_array(dict->fwnode_list, + idx + 1, sizeof(*dict->fwnode_list), + GFP_KERNEL); if (ZERO_OR_NULL_PTR(list)) { idx = -ENOMEM; goto done; -- 2.30.2