From patchwork Mon Nov 2 15:20:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 1392319 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bgdev.pl Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=e5kjyidW; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CPxTG2m9Vz9sVv for ; Tue, 3 Nov 2020 02:21:22 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726702AbgKBPU6 (ORCPT ); Mon, 2 Nov 2020 10:20:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726618AbgKBPU4 (ORCPT ); Mon, 2 Nov 2020 10:20:56 -0500 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94D75C061A47 for ; Mon, 2 Nov 2020 07:20:54 -0800 (PST) Received: by mail-wm1-x342.google.com with SMTP id p22so9767456wmg.3 for ; Mon, 02 Nov 2020 07:20:54 -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=/Z+wwi/tFfEYyTBQIvrIHI75+eOD/rtT/HKhEUnLNfQ=; b=e5kjyidWL8cmpiZH3KN4gbQ7mPV2yzGx2nkYanw2be0opJ+Vz0F/h7+cASkSpyPvft Cq/QKHKgAn39kkunAelTRvo6+t//6O8sFAxBBIWVN/D/sXHLN0TcApD154vCBfBKfHLt cLayxxCVPglJdryRP0qymWqoSldB8VezR3ze+ww/h6mL64irtmyW1Iv/4QeMsHgFEmU1 EnCxPQadIxfRrkqDHNb0AWnJ/TDZd1tbaPxP67i/kRiJU0AadmF8tkFzS5SiBFs65eHd s2porevmNAwd7EJUylR58be5iKdfMpI6Ofog3Lr78MGsAlfmarg/IAiyvFrSdsneofbm aJMQ== 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=/Z+wwi/tFfEYyTBQIvrIHI75+eOD/rtT/HKhEUnLNfQ=; b=CXVbveFWSQI0ZgutsoTBew+4jkYme83oSk7vSp14KKJKJfg8DqcukfUN9lDrNtFKJQ NM1V2sxom5RMlpjdVZjJFVyQY/083EbdDgy6sSRXrGhm6EKq8eBYMNnaGg6hE0HEjJEz Ev2F4Cie/1HB974iLVy50S7NL9Zt1VJmjXl2eLyo8gtW/C4v/W+0+1QkLEQWDIKVjt3D GxrSUJ665qYPWxE5nU+xNCqO5fRGigmR7iiUD0x+BgTfqxAslV3iiOImG23HVedbGlLH uts7V9mX6lRyZsVkidxG8m68TTufZbSnFV1xPaRXnyc5igZ7JZpmyFQjW7RsipYv0J1y jTvg== X-Gm-Message-State: AOAM533FUsGcZUttIBRXzgrQHzUWIpczaeegOUoxtnunynfa6hJDoGNR mQiKGPhoQIhfYoW6Ho/fejKtEg== X-Google-Smtp-Source: ABdhPJwLl/Yb+dmot3Qj9GobH6d2VSIEqfIwMoXbr9WYE4ZivqBC7akLVHb/L/C2gNGglG2Ytc/IgQ== X-Received: by 2002:a1c:1906:: with SMTP id 6mr17871137wmz.87.1604330453311; Mon, 02 Nov 2020 07:20:53 -0800 (PST) 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 b18sm15138014wmj.41.2020.11.02.07.20.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2020 07:20:52 -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 , Daniel Vetter Subject: [PATCH v2 6/8] drm: atomic: use krealloc_array() Date: Mon, 2 Nov 2020 16:20:35 +0100 Message-Id: <20201102152037.963-7-brgl@bgdev.pl> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201102152037.963-1-brgl@bgdev.pl> References: <20201102152037.963-1-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 Acked-by: Daniel Vetter --- drivers/gpu/drm/drm_atomic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 58527f151984..09ad6a2ec17b 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -960,7 +960,8 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state, struct __drm_connnectors_state *c; int alloc = max(index + 1, config->num_connector); - c = krealloc(state->connectors, alloc * sizeof(*state->connectors), GFP_KERNEL); + c = krealloc_array(state->connectors, alloc, + sizeof(*state->connectors), GFP_KERNEL); if (!c) return ERR_PTR(-ENOMEM);