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=-11.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 07939C4363C for ; Thu, 8 Oct 2020 14:17:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C70D6206A1 for ; Thu, 8 Oct 2020 14:17:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602166665; bh=MImyq1wxf3lrgX+9kVfU/J30BpQJG8VyoFD/jCQpp4Y=; h=Date:From:To:Cc:Subject:List-ID:From; b=etnVnLLGdsMVZEYUK3TxP+ys709AQRA1omSeAHYaaxAL3kAoZiNj4mrMo6ZtSj4B1 aJgLXWYCiGwpRw0upNY8NGk4tycGrBi3KntkFc18b0/thPQCqcQN1j/BN6EAzDPVbq dA7qlXHt06oSJOj+NpJQ9+5zdiOFZe0hd7wyCDPs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730469AbgJHORo (ORCPT ); Thu, 8 Oct 2020 10:17:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:58136 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729840AbgJHORo (ORCPT ); Thu, 8 Oct 2020 10:17:44 -0400 Received: from embeddedor (187-162-31-110.static.axtel.net [187.162.31.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7183D206A1; Thu, 8 Oct 2020 14:17:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602166663; bh=MImyq1wxf3lrgX+9kVfU/J30BpQJG8VyoFD/jCQpp4Y=; h=Date:From:To:Cc:Subject:From; b=y10zNBEl2wXkYIoHHccmF/fAiQLyXYJCe1h6wXenprlpUAgwpqfrSWcRAWSxzmTLB LDpASH5w/Ie6+4OlweIcnJe8/AnBaAviMAchas8i9qInXaj6N7m+iqvBDRQWZKFVLt PI3TdEYU5rTuK5t2QoTedaG0pwQj0IRSKpGVpsqI= Date: Thu, 8 Oct 2020 09:23:05 -0500 From: "Gustavo A. R. Silva" To: Felix Kuehling , Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , David Airlie , Daniel Vetter Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" , linux-hardening@vger.kernel.org Subject: [PATCH][next] drm/amdgpu: Use struct_size() helper in kmalloc() Message-ID: <20201008142305.GA21249@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make use of the new struct_size() helper instead of the offsetof() idiom. Signed-off-by: Gustavo A. R. Silva --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 5da487b64a66..30192dce7775 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -239,8 +239,7 @@ static int amdgpu_amdkfd_remove_eviction_fence(struct amdgpu_bo *bo, if (!old) return 0; - new = kmalloc(offsetof(typeof(*new), shared[old->shared_max]), - GFP_KERNEL); + new = kmalloc(struct_size(new, shared, old->shared_max), GFP_KERNEL); if (!new) return -ENOMEM; -- 2.27.0