nfc: llcp: add missing return after LLCP_CLOSED checks

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/nfc/llcp_core.c"
                    ],
                    "versions": [
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "b2a23529593d011fb433a3d711fc597ed6a6bd2f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "665315df9c3486cb213fc44d83cc8bcd47fe0d26",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "9b49e2a4b8219a2fc5cebf94f4ec34e509aff8a6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "0eb1263a3b8c36418c9ba295c9ab3abed664edbf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "796e0cac058252d0ad34ebe288e6f7979b5fc9b2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "8977fad2b3c6eefd414131168d597c5d1d5e1abf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "ff3d9e8f7244293e303f7b6ef70774291c7c27e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "aba4712e8f0381cd5d196534ce2ad082626a5ab6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
                            "lessThan": "2b5dd4632966c39da6ba74dbc8689b309065e82c",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/nfc/llcp_core.c"
                    ],
                    "versions": [
                        {
                            "version": "3.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.136",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.83",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.24",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.14",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.1",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }