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{
    "id": 2299,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/2299/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/2299/",
    "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": "<20191108205409.18845-4-laurent.pinchart@ideasonboard.com>",
    "date": "2019-11-08T20:53:48",
    "name": "[libcamera-devel,v2,03/24] libcamera: controls: Avoid exception in ControlList count() and find()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "e1a136adf28cd7d92f088d84de77fc0a6cdeb430",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": {
        "id": 14,
        "url": "https://patchwork.libcamera.org/api/1.1/users/14/?format=api",
        "username": "pinchartl",
        "first_name": "Laurent",
        "last_name": "Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/2299/mbox/",
    "series": [
        {
            "id": 568,
            "url": "https://patchwork.libcamera.org/api/1.1/series/568/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=568",
            "date": "2019-11-08T20:53:45",
            "name": "Control serialization and IPA C API",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/568/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/2299/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/2299/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<laurent.pinchart@ideasonboard.com>",
        "Received": [
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 7BADD6150A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri,  8 Nov 2019 21:54:23 +0100 (CET)",
            "from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 1FFCE31D\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri,  8 Nov 2019 21:54:23 +0100 (CET)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1573246463;\n\tbh=Wb7kncZOf6ol9m4hG99xyRfJ9ENctf05jp1fANDSsJg=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=iIdTUm1BA6tRxqXu5ptOVgJJsS6bXwUPgrA8qyDZsoBnNeWP55rDvEkHQm8tUSv8o\n\tixPUhZU8bMvMPPtvMXEArFJ7oGR+6DKxBZan+0V2uimIiyyv7cfmk79VTMHx1Nx6YF\n\t0n/xPqRUrRcdN/Y282BBx90WhV2DiYNL2VTbE/gc=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri,  8 Nov 2019 22:53:48 +0200",
        "Message-Id": "<20191108205409.18845-4-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.23.0",
        "In-Reply-To": "<20191108205409.18845-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20191108205409.18845-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 03/24] libcamera: controls: Avoid\n\texception in ControlList count() and find()",
        "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, 08 Nov 2019 20:54:23 -0000"
    },
    "content": "The ControlList count() and find() methods use at() to lookup the\ncontrol numerical ID in the idmap_. This causes an exception to be\nthrown if the ID doesn't exist in the map. Fix it by using the find()\nmethod instead.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/controls.cpp | 18 +++++++++++++++---\n 1 file changed, 15 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp\nindex 93ad2fc6a276..0c7cd449ad64 100644\n--- a/src/libcamera/controls.cpp\n+++ b/src/libcamera/controls.cpp\n@@ -491,7 +491,11 @@ const ControlInfoMap::mapped_type &ControlInfoMap::at(unsigned int id) const\n  */\n ControlInfoMap::size_type ControlInfoMap::count(unsigned int id) const\n {\n-\treturn count(idmap_.at(id));\n+\tauto iter = idmap_.find(id);\n+\tif (iter == idmap_.end())\n+\t\treturn 0;\n+\n+\treturn count(iter->second);\n }\n \n /**\n@@ -502,7 +506,11 @@ ControlInfoMap::size_type ControlInfoMap::count(unsigned int id) const\n  */\n ControlInfoMap::iterator ControlInfoMap::find(unsigned int id)\n {\n-\treturn find(idmap_.at(id));\n+\tauto iter = idmap_.find(id);\n+\tif (iter == idmap_.end())\n+\t\treturn end();\n+\n+\treturn find(iter->second);\n }\n \n /**\n@@ -513,7 +521,11 @@ ControlInfoMap::iterator ControlInfoMap::find(unsigned int id)\n  */\n ControlInfoMap::const_iterator ControlInfoMap::find(unsigned int id) const\n {\n-\treturn find(idmap_.at(id));\n+\tauto iter = idmap_.find(id);\n+\tif (iter == idmap_.end())\n+\t\treturn end();\n+\n+\treturn find(iter->second);\n }\n \n /**\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "03/24"
    ]
}