From patchwork Thu Feb 4 14:57:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12067489 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=-8.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 10F3BC433E0 for ; Thu, 4 Feb 2021 14:57:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BBA4D64DBA for ; Thu, 4 Feb 2021 14:57:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BBA4D64DBA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8A6AB6EDBD; Thu, 4 Feb 2021 14:57:25 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id AAB146EDB7 for ; Thu, 4 Feb 2021 14:57:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612450642; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ORpRb/MAulS9LThamNcuHHfH5N6/z3HKl9IcxPXaxJg=; b=D/1IyQtsGZ53BhQr/8SjwIpLqIv7RP8rjnSj3z4eZXg16WozQlgVGr5XGk2qWMZAy23nZu UY1aLWnDxfVnKaIj6PvMzj6PAPmlKaUvtNkkuHglyw+mwbvoZKnoT7mKpg6dIq6bPr2G43 RYPinFtCm/yaIKlDK5v7GFCZv9O4kG0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-176-Fonb5rb1MtKOdseNGrGGXg-1; Thu, 04 Feb 2021 09:57:19 -0500 X-MC-Unique: Fonb5rb1MtKOdseNGrGGXg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B84A7192CC42; Thu, 4 Feb 2021 14:57:17 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-113-108.ams2.redhat.com [10.36.113.108]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AB9A85B695; Thu, 4 Feb 2021 14:57:13 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 28221180101D; Thu, 4 Feb 2021 15:57:12 +0100 (CET) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 01/10] [hack] silence ttm fini WARNING Date: Thu, 4 Feb 2021 15:57:02 +0100 Message-Id: <20210204145712.1531203-2-kraxel@redhat.com> In-Reply-To: <20210204145712.1531203-1-kraxel@redhat.com> References: <20210204145712.1531203-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , open list , Huang Rui , Gerd Hoffmann , Christian Koenig Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" kobject: '(null)' ((____ptrval____)): is not initialized, yet kobject_put() is being called. WARNING: CPU: 0 PID: 209 at lib/kobject.c:750 kobject_put+0x3a/0x60 [ ... ] Call Trace: ttm_device_fini+0x133/0x1b0 [ttm] qxl_ttm_fini+0x2f/0x40 [qxl] --- drivers/gpu/drm/ttm/ttm_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c index ac0903c9e60a..b638cbb0bd45 100644 --- a/drivers/gpu/drm/ttm/ttm_device.c +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -50,7 +50,7 @@ static void ttm_global_release(void) goto out; kobject_del(&glob->kobj); - kobject_put(&glob->kobj); +// kobject_put(&glob->kobj); ttm_mem_global_release(&ttm_mem_glob); __free_page(glob->dummy_read_page); memset(glob, 0, sizeof(*glob));