idpf: fix max_vport related crash on allocation error during init

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"
                    ],
                    "versions": [
                        {
                            "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34",
                            "lessThan": "993571d207f5f4775b92df89788570468ffb9cdd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34",
                            "lessThan": "08fffd2881e2804d55bc74f178e2843e8832b396",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34",
                            "lessThan": "9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34",
                            "lessThan": "237f1f7653b8729169af11fae79f01b90d00b87e",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"
                    ],
                    "versions": [
                        {
                            "version": "6.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.114",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }