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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 6FB59C10F0E for ; Mon, 15 Apr 2019 12:39:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4AD2E206B6 for ; Mon, 15 Apr 2019 12:39:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727538AbfDOMjW (ORCPT ); Mon, 15 Apr 2019 08:39:22 -0400 Received: from relay5-d.mail.gandi.net ([217.70.183.197]:59811 "EHLO relay5-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727440AbfDOMjT (ORCPT ); Mon, 15 Apr 2019 08:39:19 -0400 X-Originating-IP: 90.88.18.121 Received: from localhost.localdomain (aaubervilliers-681-1-63-121.w90-88.abo.wanadoo.fr [90.88.18.121]) (Authenticated sender: paul.kocialkowski@bootlin.com) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id 7EC491C000D; Mon, 15 Apr 2019 12:39:16 +0000 (UTC) From: Paul Kocialkowski To: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Eric Anholt , David Airlie , Daniel Vetter , Thomas Petazzoni , Maxime Ripard , Eben Upton , Paul Kocialkowski Subject: [PATCH v5 2/4] drm/vc4: Check for V3D before binner bo alloc Date: Mon, 15 Apr 2019 14:39:06 +0200 Message-Id: <20190415123908.28986-3-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190415123908.28986-1-paul.kocialkowski@bootlin.com> References: <20190415123908.28986-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Check that we have a V3D device registered before attempting to allocate a binner buffer object. Signed-off-by: Paul Kocialkowski --- drivers/gpu/drm/vc4/vc4_v3d.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index 9c73fad77449..a77c8d6c7d5b 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c @@ -241,6 +241,9 @@ int vc4_v3d_bin_bo_alloc(struct vc4_dev *vc4) int ret = 0; struct list_head list; + if (!v3d) + return -ENODEV; + /* We may need to try allocating more than once to get a BO * that doesn't cross 256MB. Track the ones we've allocated * that failed so far, so that we can free them when we've got -- 2.21.0