IB/mlx4: Fix use-after-free on pkey sysfs registration failure

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/hw/mlx4/sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "791471421d848ce13e84f4b21c9e19973d471c4e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "734f066933484f6c7cedea0312763249beed5845",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "a07bee32127d7c4cd3b1bb9a088e21d0c93634c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "cf20d7476754c00eec04ae23d3e929de33ce0345",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "0c3482e965b18bc242e54e899d1c4d391ca8e5e3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "ffb80872617b5f9b3dd1536ec2909029fa66f228",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "ced1186fea7c77e16681c7ef4802897885989c3b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1e7e466120b80ce49e91af0c9da1ce6dee4844a",
                            "lessThan": "1af874e9f4ce22ccf8b10ab5462f32c70d3be21a",
                            "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/infiniband/hw/mlx4/sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "3.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }