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{ "id": 4193, "url": "https://patchwork.libcamera.org/api/patches/4193/?format=api", "web_url": "https://patchwork.libcamera.org/patch/4193/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20200623190836.53446-20-paul.elder@ideasonboard.com>", "date": "2020-06-23T19:08:33", "name": "[libcamera-devel,v3,19/22] v4l2: v4l2_camera_proxy: Don't allow streamon if no buffers have been requested", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "b3a2e0ef86333d936e7c66dc8e9d1b11e25f2a3c", "submitter": { "id": 17, "url": "https://patchwork.libcamera.org/api/people/17/?format=api", "name": "Paul Elder", "email": "paul.elder@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/4193/mbox/", "series": [ { "id": 1034, "url": "https://patchwork.libcamera.org/api/series/1034/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1034", "date": "2020-06-23T19:08:14", "name": "Support v4l2-compliance", "version": 3, "mbox": "https://patchwork.libcamera.org/series/1034/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/4193/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/4193/checks/", "tags": {}, "headers": { "Return-Path": "<paul.elder@ideasonboard.com>", "Received": [ "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 42696609C2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 23 Jun 2020 21:09:48 +0200 (CEST)", "from jade.rasen.tech (unknown\n\t[IPv6:2400:4051:61:600:8147:f2a2:a8c6:9087])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 7C59F2A9;\n\tTue, 23 Jun 2020 21:09:46 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"pK7JdXso\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1592939388;\n\tbh=fSqw4Rrx7dHPPbC9CZfMXAd8O7L37jaB/I/6nkIjnsQ=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=pK7JdXsoqRyit/3Qdo7xs2T277/Pcm3UBFAdyu0FAbYcF6xXH3MM3ucax4byJitzu\n\tvo9aTBNeytAbnIEttu+3hUnCyILZNf36k7wkMBl1XYuUpIiFD2woWGNymGGFlBCYII\n\tO121b67SAof8orbojKjWCufRuFZmBcJ4eRdLvXog=", "From": "Paul Elder <paul.elder@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 24 Jun 2020 04:08:33 +0900", "Message-Id": "<20200623190836.53446-20-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "In-Reply-To": "<20200623190836.53446-1-paul.elder@ideasonboard.com>", "References": "<20200623190836.53446-1-paul.elder@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v3 19/22] v4l2: v4l2_camera_proxy: Don't\n\tallow streamon if no buffers have been requested", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "X-List-Received-Date": "Tue, 23 Jun 2020 19:09:48 -0000" }, "content": "Make VIDIOC_STREAMON return -EINVAL if no buffers have been allocated\nwith reqbufs.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\n---\nNo change in v3\n\nNew in v2\n- split from \"Fix v4l2-compliance streaming tests\"\n---\n src/v4l2/v4l2_camera_proxy.cpp | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp\nindex 0e87631..dd09951 100644\n--- a/src/v4l2/v4l2_camera_proxy.cpp\n+++ b/src/v4l2/v4l2_camera_proxy.cpp\n@@ -636,6 +636,9 @@ int V4L2CameraProxy::vidioc_streamon(V4L2CameraFile *file, int *arg)\n {\n \tLOG(V4L2Compat, Debug) << \"Servicing vidioc_streamon fd = \" << file->efd();\n \n+\tif (bufferCount_ == 0)\n+\t\treturn -EINVAL;\n+\n \tif (!validateBufferType(*arg))\n \t\treturn -EINVAL;\n \n", "prefixes": [ "libcamera-devel", "v3", "19/22" ] }