Show a patch.

GET /api/1.1/patches/1518/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 1518,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/1518/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/1518/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/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": "<20190625162353.30434-1-helen.koike@collabora.com>",
    "date": "2019-06-25T16:23:53",
    "name": "[libcamera-devel] cam: capture: Stop stream when queueRequest fails",
    "commit_ref": "059ed93bebbac5710fffd4714ee20cc02d3212aa",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "b3b0c9e3653b16b1ea45d24eb5144d78e37cde58",
    "submitter": {
        "id": 20,
        "url": "https://patchwork.libcamera.org/api/1.1/people/20/?format=api",
        "name": "Helen Koike",
        "email": "helen.koike@collabora.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/1518/mbox/",
    "series": [
        {
            "id": 374,
            "url": "https://patchwork.libcamera.org/api/1.1/series/374/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=374",
            "date": "2019-06-25T16:23:53",
            "name": "[libcamera-devel] cam: capture: Stop stream when queueRequest fails",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/374/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/1518/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/1518/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<helen.koike@collabora.com>",
        "Received": [
            "from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C265660103\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 25 Jun 2019 18:24:09 +0200 (CEST)",
            "from [127.0.0.1] (localhost [127.0.0.1])\n\t(Authenticated sender: koike) with ESMTPSA id 3EF9C263AFA"
        ],
        "From": "Helen Koike <helen.koike@collabora.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "laurent.pinchart@ideasonboard.com, kernel@collabora.com,\n\tHelen Koike <helen.koike@collabora.com>",
        "Date": "Tue, 25 Jun 2019 13:23:53 -0300",
        "Message-Id": "<20190625162353.30434-1-helen.koike@collabora.com>",
        "X-Mailer": "git-send-email 2.20.1",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH] cam: capture: Stop stream when\n\tqueueRequest fails",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.23",
        "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, 25 Jun 2019 16:24:09 -0000"
    },
    "content": "queueRequest is called after starting the stream.\nIf it fails, the stream should be stopped, otherwise it can get a\n\"Device or resource busy\" error, due to VIDIOC_REQBUFS ioctls being\ncalled after VIDIOC_STREAMON without VIDIOC_STREAMOFF in-between.\n\nSigned-off-by: Helen Koike <helen.koike@collabora.com>\n---\n src/cam/capture.cpp | 1 +\n 1 file changed, 1 insertion(+)",
    "diff": "diff --git a/src/cam/capture.cpp b/src/cam/capture.cpp\nindex e455612..6b842d7 100644\n--- a/src/cam/capture.cpp\n+++ b/src/cam/capture.cpp\n@@ -117,6 +117,7 @@ int Capture::capture(EventLoop *loop)\n \t\tret = camera_->queueRequest(request);\n \t\tif (ret < 0) {\n \t\t\tstd::cerr << \"Can't queue request\" << std::endl;\n+\t\t\tcamera_->stop();\n \t\t\treturn ret;\n \t\t}\n \t}\n",
    "prefixes": [
        "libcamera-devel"
    ]
}