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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88613CDB465 for ; Mon, 16 Oct 2023 14:52:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233645AbjJPOwp (ORCPT ); Mon, 16 Oct 2023 10:52:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233095AbjJPOwo (ORCPT ); Mon, 16 Oct 2023 10:52:44 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8679FB4 for ; Mon, 16 Oct 2023 07:52:43 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5FFCC433C7; Mon, 16 Oct 2023 14:52:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1697467963; bh=iJ6J0fOBYCLsCzQYyTJWOzwTggAv8wrWQlbDyatixW8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=POCW7D0+F/UDGMJE9I9Pxf333JyP02EmwTgbvnuiU6wrGhCWqpOeclBEJxmzG2qb4 Yrn+uqytHjCUU5QV+0SBS4XWlyFvgdhRBoYRos2WWzHdEF2e92A5Kt59Itg+6QsbmI GWkWPfrscBT+fZSbP8VBlNf20I2tKF5rZbN1FeOs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher Subject: [PATCH 6.5 125/191] drm/amdgpu: add missing NULL check Date: Mon, 16 Oct 2023 10:41:50 +0200 Message-ID: <20231016084018.301319098@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231016084015.400031271@linuxfoundation.org> References: <20231016084015.400031271@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christian König commit ff89f064dca38e2203790bf876cc7756b8ab2961 upstream. bo->tbo.resource can easily be NULL here. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2902 Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher CC: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -250,7 +250,7 @@ static inline bool amdgpu_bo_in_cpu_visi struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); struct amdgpu_res_cursor cursor; - if (bo->tbo.resource->mem_type != TTM_PL_VRAM) + if (!bo->tbo.resource || bo->tbo.resource->mem_type != TTM_PL_VRAM) return false; amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);