From patchwork Tue Oct 27 12:17:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 288066 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 C8336C388F9 for ; Tue, 27 Oct 2020 12:18:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 77DC622264 for ; Tue, 27 Oct 2020 12:18:34 +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="GYoAOUdp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2899664AbgJ0MRo (ORCPT ); Tue, 27 Oct 2020 08:17:44 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:46438 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2411693AbgJ0MRm (ORCPT ); Tue, 27 Oct 2020 08:17:42 -0400 Received: by mail-wr1-f67.google.com with SMTP id n6so1608554wrm.13 for ; Tue, 27 Oct 2020 05:17:41 -0700 (PDT) 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=BD6BZhiJRXUg2mUZGG0fkwDlbzmZ0eUsKwHAsGlj294=; b=GYoAOUdpehA8D5iOITnO5eSHqy74EWPa2UIAtVbkWsImVc99HZ2Meqd4q5mrUiPwJi 1APAlHnt2Cb4RjSuekciaevLzEzJMqfqHXfoSP/8Nqsfy2vu/QE/h1rKpHfgBNuem/9E bOYwNpK5Rv+6EItbQEiKit8Nwszh+pcjtDbIO4wjR4xJz/1weNgEVHMghJunm+Jmvs3D DwFELNR01LinoQoxBBCOkfLlLHqTKRB+bYhg8Wi8nXmI+1DlDpMCRqOKS/1P7aEomQVd T289FY4bD7H12YIHjVFYqTifMYdbsOOawVKJDDr9Ow0FRgVTPhbXfojcEyRGy0x+TbG2 NISQ== 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=BD6BZhiJRXUg2mUZGG0fkwDlbzmZ0eUsKwHAsGlj294=; b=JdLTBECytHgeC0LGu+lLTuuXbIDtpJTDQ5WJgkL+xQ5uedEumR4wDPd5CaWWPoKs0J aBmJcu6i3EuYL4TZcp9KHfJWnzWxijHqtKpzjHbTpWgoIUOmfAhSfKS9PsEBGjx/eMbO j6LFXXJXByE3h0DFBWmAKoZHcLj1nSD2bj5Us2K9zba7nqcwWvnNa0vPotOmxXId2NH4 EVqzIxMY0XrFQlqg1Hs9VDeVtmZKUhRRE+843zSw1RlHNnzd6Fu8iD6Lm9OgBFdWc4oo Xwy71+bOcEB6B2FDDraeNMXGc9pojtsVXljf9aueY61d+AKJSl2luTFd0gWUK5TjfNl2 lXiw== X-Gm-Message-State: AOAM5337SgAdinCmtOgl43bZezBwLPDKmMYyY1WfYkg0il447BK8NLHg Fx0MfqQAdhdX6RHDx7Ft7915jg== X-Google-Smtp-Source: ABdhPJycS5PuqPPHWbBOB4wuxjdkw4uku7T6ocjCFZm8vDs8KzBrNQe0wHUyzYWAYWc0X5WB+59JaQ== X-Received: by 2002:a5d:6cc8:: with SMTP id c8mr2428078wrc.233.1603801060190; Tue, 27 Oct 2020 05:17:40 -0700 (PDT) Received: from debian-brgl.home (amarseille-656-1-4-167.w90-8.abo.wanadoo.fr. [90.8.158.167]) by smtp.gmail.com with ESMTPSA id a2sm1731908wrs.55.2020.10.27.05.17.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2020 05:17:39 -0700 (PDT) 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 Subject: [PATCH 2/8] ALSA: pcm: use krealloc_array() Date: Tue, 27 Oct 2020 13:17:19 +0100 Message-Id: <20201027121725.24660-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027121725.24660-1-brgl@bgdev.pl> References: <20201027121725.24660-1-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 d531e1bc2b81..c6f8f9e252e0 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;