From patchwork Thu May 26 23:50:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 576380 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 4BF11C433F5 for ; Thu, 26 May 2022 23:54:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349642AbiEZXyx (ORCPT ); Thu, 26 May 2022 19:54:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349670AbiEZXyi (ORCPT ); Thu, 26 May 2022 19:54:38 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38BEAE8BBA; Thu, 26 May 2022 16:54:35 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: dmitry.osipenko) with ESMTPSA id 990981F409FB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1653609273; bh=eF2XX5/j1kKfeZpCaTpZ0jlF7vtBDjwSe+BehMSKUaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LuHwpeims5dqdJ816i/QR4pJpGilSUoC+x5O7sFLvpBzeMOiEBIRt9XydEwI26Qt6 GIdgccQ0FwpJ5B/hBGc9WbWI007BhxShN8d9k7fJsf6osiPeaqGKpRZzWysZ8eJW6d P77xJbRQoGhG6h58qPG8cMFY2Lc+g4jS7hYVyvlGEc6tspExJ5xh5P51q1aZyQ5qJ5 pinN/CF5bo4occ8NNLGhJT3UeAJq0kWVh0GouNQTGnkn2hhoakpwMF1JEOveST3+Ta G7ZQRqMiS0HZSVgBfom3f6xfgpsdvS3F6SvOF9S/ERyDRkPoUaB+NeuCGRrWgfCZ8b oseNggf8SpziQ== From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , Daniel Almeida , Gert Wollny , Gustavo Padovan , Daniel Stone , Tomeu Vizoso , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Steven Price , Alyssa Rosenzweig , Rob Clark , Emil Velikov , Robin Murphy , Qiang Yu , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , "Pan, Xinhui" , Thierry Reding , Tomasz Figa , Marek Szyprowski , Mauro Carvalho Chehab , Alex Deucher , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Dmitry Osipenko , Dmitry Osipenko , linux-tegra@vger.kernel.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, kernel@collabora.com Subject: [PATCH v6 08/22] drm/virtio: Unlock reservations on dma_resv_reserve_fences() error Date: Fri, 27 May 2022 02:50:26 +0300 Message-Id: <20220526235040.678984-9-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220526235040.678984-1-dmitry.osipenko@collabora.com> References: <20220526235040.678984-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Unlock reservations on dma_resv_reserve_fences() error to fix recursive locking of the reservations when this error happens. Cc: stable@vger.kernel.org Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/virtio/virtgpu_gem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c index 580a78809836..7db48d17ee3a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_gem.c +++ b/drivers/gpu/drm/virtio/virtgpu_gem.c @@ -228,8 +228,10 @@ int virtio_gpu_array_lock_resv(struct virtio_gpu_object_array *objs) for (i = 0; i < objs->nents; ++i) { ret = dma_resv_reserve_fences(objs->objs[i]->resv, 1); - if (ret) + if (ret) { + virtio_gpu_array_unlock_resv(objs); return ret; + } } return ret; }