From patchwork Wed Jan 16 12:01:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 10765857 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D8DFA14E5 for ; Wed, 16 Jan 2019 12:01:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C7E422CF60 for ; Wed, 16 Jan 2019 12:01:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C63232DE00; Wed, 16 Jan 2019 12:01:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 746C42CF60 for ; Wed, 16 Jan 2019 12:01:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391740AbfAPMBV (ORCPT ); Wed, 16 Jan 2019 07:01:21 -0500 Received: from lb2-smtp-cloud7.xs4all.net ([194.109.24.28]:50438 "EHLO lb2-smtp-cloud7.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389687AbfAPMBU (ORCPT ); Wed, 16 Jan 2019 07:01:20 -0500 Received: from marune.fritz.box ([IPv6:2001:983:e9a7:1:74b9:e8d0:a90b:6427]) by smtp-cloud7.xs4all.net with ESMTPA id jjsjgM1cgBDyIjjskg25EY; Wed, 16 Jan 2019 13:01:18 +0100 From: hverkuil-cisco@xs4all.nl To: linux-media@vger.kernel.org Cc: Sakari Ailus , Paul Kocialkowski , Hans Verkuil Subject: [PATCHv4 2/5] vim2m: add buf_out_validate callback Date: Wed, 16 Jan 2019 13:01:14 +0100 Message-Id: <20190116120117.115497-3-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190116120117.115497-1-hverkuil-cisco@xs4all.nl> References: <20190116120117.115497-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4wfBj8lAB0oiU2KUkh3EW3EDB3KSZYkuyY+QTIamDtCj+ZAvkhTG2KB1Xvp/nnp1waQUxHrhHoSUODVOyzW/u0YuItTYVUZc9RvAiOCvigq6i18+DRjsbd fi5SthN7q0hxFo2l3/Hu4v7iQrI9LT6yTXbd3+HNlJbzaD432opb2xOEqOoU31iw+C6CWCIMwCj4xbL0Ea3gVcVvkD52k4JmneCRLiRlko4Qw8e/bWQjPFsr xhMEnqGSuutANaT0i7P2oCfbfAmYqw5jUtChmiUg5P6MgN3eupkrFAFZs3VckeeTg+5zVZN9jf7VsFZfUX0lZ9+BZcswpKYwQQn/8xgq1riW1rO3fNDhE8NB VV1qYebU6MifyMNtqklWQX/kzZu1iA== Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hans Verkuil Validate the field for an output buffer. This ensures that the field is validated when the buffer is queued to a request, and not when the request itself is queued, which is too late. Signed-off-by: Hans Verkuil --- drivers/media/platform/vim2m.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index 33397d4a1402..b2a6131469c4 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -743,25 +743,29 @@ static int vim2m_queue_setup(struct vb2_queue *vq, return 0; } -static int vim2m_buf_prepare(struct vb2_buffer *vb) +static int vim2m_buf_out_validate(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct vim2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + + if (vbuf->field == V4L2_FIELD_ANY) + vbuf->field = V4L2_FIELD_NONE; + if (vbuf->field != V4L2_FIELD_NONE) { + dprintk(ctx->dev, "%s field isn't supported\n", __func__); + return -EINVAL; + } + + return 0; +} + +static int vim2m_buf_prepare(struct vb2_buffer *vb) +{ + struct vim2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct vim2m_q_data *q_data; dprintk(ctx->dev, "type: %d\n", vb->vb2_queue->type); q_data = get_q_data(ctx, vb->vb2_queue->type); - if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) { - if (vbuf->field == V4L2_FIELD_ANY) - vbuf->field = V4L2_FIELD_NONE; - if (vbuf->field != V4L2_FIELD_NONE) { - dprintk(ctx->dev, "%s field isn't supported\n", - __func__); - return -EINVAL; - } - } - if (vb2_plane_size(vb, 0) < q_data->sizeimage) { dprintk(ctx->dev, "%s data will not fit into plane (%lu < %lu)\n", __func__, vb2_plane_size(vb, 0), (long)q_data->sizeimage); @@ -822,6 +826,7 @@ static void vim2m_buf_request_complete(struct vb2_buffer *vb) static const struct vb2_ops vim2m_qops = { .queue_setup = vim2m_queue_setup, + .buf_out_validate = vim2m_buf_out_validate, .buf_prepare = vim2m_buf_prepare, .buf_queue = vim2m_buf_queue, .start_streaming = vim2m_start_streaming,