From patchwork Fri Dec 10 23:24:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 12671315 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 5EB1CC4332F for ; Fri, 10 Dec 2021 23:24:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345210AbhLJX2B (ORCPT ); Fri, 10 Dec 2021 18:28:01 -0500 Received: from mga04.intel.com ([192.55.52.120]:19150 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345103AbhLJX1r (ORCPT ); Fri, 10 Dec 2021 18:27:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639178652; x=1670714652; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8QsQEKSxoLGHydWZTS5T8WXMzBP5ZWfGvu6Ze1y391U=; b=Ey4W1cFPxfTiPAPSO1axv1Wr/VRxcjsdvzADEfY1UdD4i5Ohpn1DWI/P 3FASgLeStwZlVVMl1rYRxziwL6VjlT7lfbkwJmGO1Z1WVtrfMN3QN0NF4 lCukREHp13kGK56v82pLpsm+Hsal+OViuAxJ6fB/miF1YyUyBLLCyZpCN jyymw4nsTc8OhPaYJ6Zk30Sla7oYFB4ARHuhQzesw2h1pvBpXkiDh0tT1 G+nC6uNsAKWHohRzUWemDmIIrkMMulOCzy8cKU4ZQnINq5UtoRCUaj2RQ EH6qJ7ZD/ZtFTNtVTewapKbCFDuKlmq+op8WIocsxaVmbRJDnx6sgKb0W w==; X-IronPort-AV: E=McAfee;i="6200,9189,10194"; a="237212381" X-IronPort-AV: E=Sophos;i="5.88,196,1635231600"; d="scan'208";a="237212381" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2021 15:24:11 -0800 X-IronPort-AV: E=Sophos;i="5.88,196,1635231600"; d="scan'208";a="463861476" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2021 15:24:11 -0800 From: ira.weiny@intel.com To: David Airlie , Daniel Vetter , Patrik Jakobsson , Rob Clark , Sean Paul Cc: Ira Weiny , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 6/7] drm/amdgpu: Ensure kunmap is called on error Date: Fri, 10 Dec 2021 15:24:03 -0800 Message-Id: <20211210232404.4098157-7-ira.weiny@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211210232404.4098157-1-ira.weiny@intel.com> References: <20211210232404.4098157-1-ira.weiny@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Ira Weiny The default case leaves the buffer object mapped in error. Add amdgpu_bo_kunmap() to that case to ensure the mapping is cleaned up. Signed-off-by: Ira Weiny --- NOTE: It seems like this function could use a fair bit of refactoring but this is the easiest way to fix the actual bug. --- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 6f8de11a17f1..b3ffd0f6b35f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -889,6 +889,7 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx, return 0; default: + amdgpu_bo_kunmap(bo); DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); }