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{
    "id": 12594,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/12594/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/12594/",
    "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": "<20210615002047.25393-1-laurent.pinchart@ideasonboard.com>",
    "date": "2021-06-15T00:20:47",
    "name": "[libcamera-devel] android; camera_device: Reset config_ if Camera::configure() fails",
    "commit_ref": "7532caa2c77b966afde643d5550dff6e404e7208",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "e765e6b75473f82d0d95b422477e4c838686d486",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/12594/mbox/",
    "series": [
        {
            "id": 2133,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2133/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2133",
            "date": "2021-06-15T00:20:47",
            "name": "[libcamera-devel] android; camera_device: Reset config_ if Camera::configure() fails",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/2133/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/12594/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/12594/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
        "Received": [
            "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id F30B0C3218\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 15 Jun 2021 00:21:16 +0000 (UTC)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"QoLcxOv6\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1623716474;\n\tbh=ZoXW9I4A51NvkEb3wAvtRcBAMcrFHza80THO3RvaVLs=;\n\th=From:To:Subject:Date:From;\n\tb=QoLcxOv6ugId1VvZm3xxAB3jbO4CfCcYwFYBbJTvWoRKn0CTMDkjxIa3qyEQgmElD\n\t5raItoCCS51kmhVfQJCIv1+Uqu1ZXVVO7yHZE1NMvX0288e8GXHGmNdj/MdbKvOQ+O\n\tkUOjoM0Yhq15eaWHN3hlWeRClBcn5LiqzHegLgyQ=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 15 Jun 2021 03:20:47 +0300",
        "Message-Id": "<20210615002047.25393-1-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH] android;\n\tcamera_device: Reset config_ if Camera::configure() fails",
        "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>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The config_ pointer is reset in all error paths of the\nCameraDevice::configureStreams() function, except when\nCamera::configure() fails. Fix it by using a local unique pointer to\nstore the configuration until the end of the function, to avoid similar\nissues in the future.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/android/camera_device.cpp | 17 ++++++++---------\n 1 file changed, 8 insertions(+), 9 deletions(-)",
    "diff": "diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex f3fd38690e63..f0b5f87bc38f 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -1716,8 +1716,8 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)\n \t * Generate an empty configuration, and construct a StreamConfiguration\n \t * for each camera3_stream to add to it.\n \t */\n-\tconfig_ = camera_->generateConfiguration();\n-\tif (!config_) {\n+\tstd::unique_ptr<CameraConfiguration> config = camera_->generateConfiguration();\n+\tif (!config) {\n \t\tLOG(HAL, Error) << \"Failed to generate camera configuration\";\n \t\treturn -EINVAL;\n \t}\n@@ -1855,29 +1855,27 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)\n \n \tsortCamera3StreamConfigs(streamConfigs, jpegStream);\n \tfor (const auto &streamConfig : streamConfigs) {\n-\t\tconfig_->addConfiguration(streamConfig.config);\n+\t\tconfig->addConfiguration(streamConfig.config);\n \n \t\tfor (auto &stream : streamConfig.streams) {\n \t\t\tstreams_.emplace_back(this, stream.type, stream.stream,\n-\t\t\t\t\t      config_->size() - 1);\n+\t\t\t\t\t      config->size() - 1);\n \t\t\tstream.stream->priv = static_cast<void *>(&streams_.back());\n \t\t}\n \t}\n \n-\tswitch (config_->validate()) {\n+\tswitch (config->validate()) {\n \tcase CameraConfiguration::Valid:\n \t\tbreak;\n \tcase CameraConfiguration::Adjusted:\n \t\tLOG(HAL, Info) << \"Camera configuration adjusted\";\n \n-\t\tfor (const StreamConfiguration &cfg : *config_)\n+\t\tfor (const StreamConfiguration &cfg : *config)\n \t\t\tLOG(HAL, Info) << \" - \" << cfg.toString();\n \n-\t\tconfig_.reset();\n \t\treturn -EINVAL;\n \tcase CameraConfiguration::Invalid:\n \t\tLOG(HAL, Info) << \"Camera configuration invalid\";\n-\t\tconfig_.reset();\n \t\treturn -EINVAL;\n \t}\n \n@@ -1885,7 +1883,7 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)\n \t * Once the CameraConfiguration has been adjusted/validated\n \t * it can be applied to the camera.\n \t */\n-\tint ret = camera_->configure(config_.get());\n+\tint ret = camera_->configure(config.get());\n \tif (ret) {\n \t\tLOG(HAL, Error) << \"Failed to configure camera '\"\n \t\t\t\t<< camera_->id() << \"'\";\n@@ -1905,6 +1903,7 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)\n \t\t}\n \t}\n \n+\tconfig_ = std::move(config);\n \treturn 0;\n }\n \n",
    "prefixes": [
        "libcamera-devel"
    ]
}