From nobody Fri Dec 19 22:02:46 2025 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 1F52CC67871 for ; Mon, 24 Oct 2022 20:01:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229695AbiJXUBO (ORCPT ); Mon, 24 Oct 2022 16:01:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234313AbiJXT7j (ORCPT ); Mon, 24 Oct 2022 15:59:39 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53129172B54; Mon, 24 Oct 2022 11:22:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B3112B81730; Mon, 24 Oct 2022 12:35:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DC4AC433D6; Mon, 24 Oct 2022 12:35:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666614920; bh=Sv1I4qRxsNAcOAYNJeyF0HrhTXqVyHtQl4EVlTTTgHY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E6TeQjSwfq1shbb/1M18uW+8i/Si8gm0p3fsB570tZZuL6yCUDLlrflLL1b8yCyKK E13eIlouSGqXGCNuzHzTFn3X/kUa4X2J42/rcs7AFS0W2dTk9HQMqXpKVIjZVI6c1l ZiuFKHX4xzD3c8/lhvrT6H8+NsC43hARBdyubMcs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Emil Velikov , Dmitry Osipenko , Gerd Hoffmann Subject: [PATCH 5.15 053/530] drm/virtio: Unlock reservations on virtio_gpu_object_shmem_init() error Date: Mon, 24 Oct 2022 13:26:37 +0200 Message-Id: <20221024113047.430780121@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113044.976326639@linuxfoundation.org> References: <20221024113044.976326639@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Dmitry Osipenko commit fdf0ff4d12cbcd76b53f27c96ce51ddca400884a upstream. Unlock reservations in the error code path of virtio_gpu_object_create() to silence debug warning splat produced by ww_mutex_destroy(&obj->lock) when GEM is released with the held lock. Cc: stable@vger.kernel.org Fixes: 30172efbfb84 ("drm/virtio: blob prep: refactor getting pages and att= aching backing") Reviewed-by: Emil Velikov Signed-off-by: Dmitry Osipenko Link: http://patchwork.freedesktop.org/patch/msgid/20220630200726.1884320-4= -dmitry.osipenko@collabora.com Signed-off-by: Gerd Hoffmann Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/virtio/virtgpu_object.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -247,6 +247,8 @@ int virtio_gpu_object_create(struct virt =20 ret =3D virtio_gpu_object_shmem_init(vgdev, bo, &ents, &nents); if (ret !=3D 0) { + if (fence) + virtio_gpu_array_unlock_resv(objs); virtio_gpu_array_put_free(objs); virtio_gpu_free_object(&shmem_obj->base); return ret;