From patchwork Mon Nov 9 11:06:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 322067 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 3252EC2D0A3 for ; Mon, 9 Nov 2020 11:08:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D3D6D206E3 for ; Mon, 9 Nov 2020 11:08:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="bV0WOhcj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729803AbgKILIX (ORCPT ); Mon, 9 Nov 2020 06:08:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729553AbgKILHG (ORCPT ); Mon, 9 Nov 2020 06:07:06 -0500 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDBB8C0613D6 for ; Mon, 9 Nov 2020 03:07:05 -0800 (PST) Received: by mail-wr1-x442.google.com with SMTP id j7so968280wrp.3 for ; Mon, 09 Nov 2020 03:07:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1txfIvaUE40Ou/j75EYKcgw6u17F5C6+DdlKPQ0ay3M=; b=bV0WOhcjc6Y2rIR+7HT+QGO/LnwlTLaGqiH/bueGYgN1eqaiyqgBu630Wi1/Fe4Izr My6WbzMB2G0+0Jww/tXr7Bv9T9tCSh7nAf3FDc9HnmXqm0/SZK/yuCq88k07niiSIbdE Kni1bJikZg3lnovvS5+pSl6sF1scmJC1eailBHWvAIqLxr8aFY7ZvU8r5E11qXi2Th71 zhnarT2xZ1wCpMgNr9yCr/3M5lq5u3cCkFTpjL9pfSKNowIMNdFSn0mY3iQlibP5Tto4 Lgmzc95ZSUUq1X+Al8zvn1+ubttScKkHoe5x6HV2U03u2h9rIhdyiJw4IDWSPdJhmDMn +W6A== 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=1txfIvaUE40Ou/j75EYKcgw6u17F5C6+DdlKPQ0ay3M=; b=h6P/RV9kU1sQdHVWt7893leJMmU3WNE2it7MptYvVLohUcIBBrU+O//MELA1ikEo9M wrKjrzSCQjQlht5aKs3KotogtmU1bwoZJwxqgHo4mbrdUo752fcQQIZaG8rIeWu4GAVw tfMCGpxpSNelN95S0iu9mdbdbAACVKKTePXqmUxdSCRILTbp6Hk14iqhKh3jJj8b8CVo 6cki2T4ntyDlkby5Rh0HhUbi1jjCeksDOphcJy7qyIlfQJJqhN0lFcXnUqonJF6ysVRC StrnQ69u/+PvI/+cxTU16JgUWTMg/DmBPUalPItP9wgTWno2Cye/1jb/53A2OIkFaPKe kcxg== X-Gm-Message-State: AOAM532MpsGwm6Uav7hOcjyR5Il6MDHAsFn2WlFJakdTeEegkLpvhca/ N/ym57cHiXgZzTtIlMulam8HZw== X-Google-Smtp-Source: ABdhPJzHXOuOWGraTd+tlh1Rh/Cikbums2QDN+ELEwiirpKRCwDTD+P/KjLkxHpoeG3VOPOYn45WFQ== X-Received: by 2002:adf:fd03:: with SMTP id e3mr11725240wrr.303.1604920024684; Mon, 09 Nov 2020 03:07:04 -0800 (PST) Received: from localhost.localdomain (lfbn-nic-1-190-206.w2-15.abo.wanadoo.fr. [2.15.39.206]) by smtp.gmail.com with ESMTPSA id d3sm12815582wre.91.2020.11.09.03.07.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 03:07:04 -0800 (PST) From: Bartosz Golaszewski To: Andy Shevchenko , Sumit Semwal , Gustavo Padovan , =?utf-8?q?Christian_K=C3=B6nig?= , Mauro Carvalho Chehab , Borislav Petkov , Tony Luck , James Morse , Robert Richter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Alexander Shishkin , Linus Walleij , "Michael S . Tsirkin" , Jason Wang , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Jaroslav Kysela , Takashi Iwai Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, linux-gpio@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-mm@kvack.org, alsa-devel@alsa-project.org, Bartosz Golaszewski , Takashi Iwai Subject: [PATCH v3 3/9] ALSA: pcm: use krealloc_array() Date: Mon, 9 Nov 2020 12:06:48 +0100 Message-Id: <20201109110654.12547-4-brgl@bgdev.pl> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201109110654.12547-1-brgl@bgdev.pl> References: <20201109110654.12547-1-brgl@bgdev.pl> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Bartosz Golaszewski Use the helper that checks for overflows internally instead of manually calculating the size of the new array. Signed-off-by: Bartosz Golaszewski Reviewed-by: Takashi Iwai --- sound/core/pcm_lib.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index bda3514c7b2d..b7e3d8f44511 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1129,8 +1129,8 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond, if (constrs->rules_num >= constrs->rules_all) { struct snd_pcm_hw_rule *new; unsigned int new_rules = constrs->rules_all + 16; - new = krealloc(constrs->rules, new_rules * sizeof(*c), - GFP_KERNEL); + new = krealloc_array(constrs->rules, new_rules, + sizeof(*c), GFP_KERNEL); if (!new) { va_end(args); return -ENOMEM;