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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 D32CEC2B9F4 for ; Mon, 14 Jun 2021 17:59:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A64D761075 for ; Mon, 14 Jun 2021 17:59:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234516AbhFNSBK (ORCPT ); Mon, 14 Jun 2021 14:01:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233134AbhFNSBI (ORCPT ); Mon, 14 Jun 2021 14:01:08 -0400 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9F1CC061767 for ; Mon, 14 Jun 2021 10:59:05 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id y15so11123387pfl.4 for ; Mon, 14 Jun 2021 10:59:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=tiW1MiNSxVy/hCeNInIQyfBMYNNxInq9UWdM3u/5QaI=; b=BTx5vB111fZfaNJviKToWKnd3s085SfxYJXTUooAQV0xHMl9TbfFaXG4VR8AfuSzgj BWPxer2RaEEJ+iwNC9XrU7RJw/5KSoPmi99RIhsA3GPt1dmnhUYtKi9BS4RTqFQghI9x 8usC2nzVZF2a0LT9Q8OAg6wlladjM9iuBfLMpQlF8S+BKQ3TENgrpra6LFPAt10CAppz k7iP4hviN/s3Mh8Q/OGLsuSixDbulo5J58BbAzkD9GhqsMtkwq72HlkD1rFLdGzlt+zS SsjJuF8RNlZCLsG/8lEieAQeF2dI02L5tu84YT//cPi+JKtFjPAvJDtAVgz3ecrHGYF+ Xudw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=tiW1MiNSxVy/hCeNInIQyfBMYNNxInq9UWdM3u/5QaI=; b=q0orkvDEr4zRsNZ9fc9u931/WR984UsXpm5Pcw92K6N22ZerkESYVNBSM3TzE5zffb PmY/F8Q/pYEIftigTvPny1M0ZxHIwMBFs4E8Q1gq/0Q9py1eMXuuFogWcPdEveRG4HQX gz6sxhJzIN/Pqhx2zUVLmFOTwg6k/iwMtKI5D8kbsoYSkGN2HCU5ISoxyFZbjGCgqQj3 p1SNUtQMVPX6PD28UrZ2otMRLABetTXCZLQIGDbF3M+s3bUcCtb+SU/spLgdoIB8gHhh j4w1Rsptaj42BEhFqLS5EzsLeYRH+m4eNszKyY7ZVFQhfhjbUxlK2tNeUIz7SGOn9PI3 pONQ== X-Gm-Message-State: AOAM531y1eSorwfl9MN29/UP6hj8lzXPm/u6OcMzqVDAcQwS/LzCQVaQ J+N0rFYG0TBCQgRdfTvyQehuoQ== X-Google-Smtp-Source: ABdhPJxuMaCVSzChO1l5VDImulKblryLr0k3o+St1URwrnMhrEzuovCgBTMWXV99yMds5RoaHvKttg== X-Received: by 2002:a63:ed4d:: with SMTP id m13mr18329392pgk.433.1623693545242; Mon, 14 Jun 2021 10:59:05 -0700 (PDT) Received: from p14s.cg.shawcable.net (S0106889e681aac74.cg.shawcable.net. [68.147.0.187]) by smtp.gmail.com with ESMTPSA id z17sm13553246pfq.218.2021.06.14.10.59.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 10:59:04 -0700 (PDT) From: Mathieu Poirier To: gregkh@linuxfoundation.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/6] coresight: core: Switch to krealloc_array() Date: Mon, 14 Jun 2021 11:58:56 -0600 Message-Id: <20210614175901.532683-2-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210614175901.532683-1-mathieu.poirier@linaro.org> References: <20210614175901.532683-1-mathieu.poirier@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Shevchenko Let the krealloc_array() check for multiplication overflow. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20210520135041.56163-1-andriy.shevchenko@linux.intel.com Signed-off-by: Mathieu Poirier --- 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; -- 2.25.1