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{
    "id": 4095,
    "url": "https://patchwork.libcamera.org/api/patches/4095/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/4095/",
    "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": "<20200619054123.19052-16-paul.elder@ideasonboard.com>",
    "date": "2020-06-19T05:41:21",
    "name": "[libcamera-devel,v2,15/17] 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    "state": "superseded",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": "d6023ba7762547984a7292a9b0c20d48fd8479d9",
    "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/4095/mbox/",
    "series": [
        {
            "id": 1017,
            "url": "https://patchwork.libcamera.org/api/series/1017/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1017",
            "date": "2020-06-19T05:41:06",
            "name": "Support v4l2-compliance",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/1017/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/4095/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/4095/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 27EBF603BF\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 19 Jun 2020 07:42:08 +0200 (CEST)",
            "from jade.flets-east.jp (unknown\n\t[IPv6:2400:4051:61:600:e972:d773:e99a:4f79])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id A8466560;\n\tFri, 19 Jun 2020 07:42:06 +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=\"EMwF9Ee9\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1592545327;\n\tbh=4rytgg7NfyKgZ0viLomnAy+wSknPB7xeLvYF6T6EvPI=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=EMwF9Ee9y569ZVZB4z044YGULKAsikyedcnUTCCHK5LLwf9F3wfFve5uW+dikmg0P\n\tvf1p/0lRsVtXwUPd7F1hqPytGdS9D0spgKkxFPY83PgapdkHwQOMjEv+Yyh/f9CVdH\n\tV4mXgfPZMCs3Ni0yCZnbvxk4SeTB6Dcxu+Ym7Hxw=",
        "From": "Paul Elder <paul.elder@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 19 Jun 2020 14:41:21 +0900",
        "Message-Id": "<20200619054123.19052-16-paul.elder@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.27.0",
        "In-Reply-To": "<20200619054123.19052-1-paul.elder@ideasonboard.com>",
        "References": "<20200619054123.19052-1-paul.elder@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 15/17] 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": "Fri, 19 Jun 2020 05:42:08 -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>\n\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 8396f58..a7f987a 100644\n--- a/src/v4l2/v4l2_camera_proxy.cpp\n+++ b/src/v4l2/v4l2_camera_proxy.cpp\n@@ -637,6 +637,9 @@ int V4L2CameraProxy::vidioc_streamon(V4L2CameraFile *cf, int *arg)\n {\n \tLOG(V4L2Compat, Debug) << \"Servicing vidioc_streamon fd = \" << cf->efd();\n \n+\tif (bufferCount_ == 0)\n+\t\treturn -EINVAL;\n+\n \tif (vcam_->isRunning())\n \t\treturn 0;\n \n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "15/17"
    ]
}