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=-15.7 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 autolearn=unavailable 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 7EC08C2BB9A for ; Tue, 15 Dec 2020 03:34:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3BCE5224B2 for ; Tue, 15 Dec 2020 03:34:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726684AbgLODFD (ORCPT ); Mon, 14 Dec 2020 22:05:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:60988 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726942AbgLODE4 (ORCPT ); Mon, 14 Dec 2020 22:04:56 -0500 Date: Mon, 14 Dec 2020 19:04:12 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608001454; bh=4CWMa6prk7hxgq4b1iSZsnz/Lro/6pez14NFIpV+OxQ=; h=From:To:Subject:In-Reply-To:From; b=xW5KebCmsKbcyActxxaFL6QVPQc75q+W0NA62c8ZVHkw0QS9mjlSIddbBsL8AaHvQ 0jlEZSLiQGnt4zrxMzQ1+vg8Np5Gd4pkQTKKMrHxSgxes3gshj6HBweOOHrsUG/PHh JGBu/t2lgN3OKOyrn4cDUsooSlcS+VWwiLo2KGmo= From: Andrew Morton To: airlied@linux.ie, akpm@linux-foundation.org, alexander.shishkin@linux.intel.com, andriy.shevchenko@linux.intel.com, bgolaszewski@baylibre.com, bp@alien8.de, bp@suse.de, christian.koenig@amd.com, cl@linux.com, daniel.vetter@ffwll.ch, daniel@ffwll.ch, gustavo@padovan.org, iamjoonsoo.kim@lge.com, james.morse@arm.com, jasowang@redhat.com, linus.walleij@linaro.org, linux-mm@kvack.org, maarten.lankhorst@linux.intel.com, mchehab@kernel.org, mm-commits@vger.kernel.org, mripard@kernel.org, mst@redhat.com, penberg@kernel.org, perex@perex.cz, rientjes@google.com, rric@kernel.org, sumit.semwal@linaro.org, tiwai@suse.com, tiwai@suse.de, tony.luck@intel.com, torvalds@linux-foundation.org, tzimmermann@suse.de, vbabka@suse.cz Subject: [patch 017/200] edac: ghes: use krealloc_array() Message-ID: <20201215030412.Rc4sYqRtx%akpm@linux-foundation.org> In-Reply-To: <20201214190237.a17b70ae14f129e2dca3d204@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Bartosz Golaszewski Subject: edac: ghes: use krealloc_array() Use the helper that checks for overflows internally instead of manually calculating the size of the new array. Link: https://lkml.kernel.org/r/20201109110654.12547-7-brgl@bgdev.pl Signed-off-by: Bartosz Golaszewski Acked-by: Borislav Petkov Cc: Alexander Shishkin Cc: Andy Shevchenko Cc: Borislav Petkov Cc: Christian Knig Cc: Christoph Lameter Cc: Daniel Vetter Cc: Daniel Vetter Cc: David Airlie Cc: David Rientjes Cc: Gustavo Padovan Cc: James Morse Cc: Jaroslav Kysela Cc: Jason Wang Cc: Joonsoo Kim Cc: Linus Walleij Cc: Maarten Lankhorst Cc: Mauro Carvalho Chehab Cc: Maxime Ripard Cc: "Michael S . Tsirkin" Cc: Pekka Enberg Cc: Robert Richter Cc: Sumit Semwal Cc: Takashi Iwai Cc: Takashi Iwai Cc: Thomas Zimmermann Cc: Tony Luck Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- drivers/edac/ghes_edac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/edac/ghes_edac.c~edac-ghes-use-krealloc_array +++ a/drivers/edac/ghes_edac.c @@ -207,8 +207,8 @@ static void enumerate_dimms(const struct if (!hw->num_dimms || !(hw->num_dimms % 16)) { struct dimm_info *new; - new = krealloc(hw->dimms, (hw->num_dimms + 16) * sizeof(struct dimm_info), - GFP_KERNEL); + new = krealloc_array(hw->dimms, hw->num_dimms + 16, + sizeof(struct dimm_info), GFP_KERNEL); if (!new) { WARN_ON_ONCE(1); return; _