drm/virtio: fix object leak when drm_gem_handle_create() fails

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/virtio/virtgpu_gem.c"
                    ],
                    "versions": [
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "13423a058187c2039aa8cb235c916be4477221b7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "687be2f8b5e0e0ca9a7028f8f6413d0ed3fbb9dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "264ae8ac8fd625b6c118baf16c111adeee2ec632",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "e2edd2d78d2cf8446de017adec9598feefed3297",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "372e9c3d45f664a2c000427ccbf6cdc2f99b3170",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "a93dce15dfef200c346b050a2acbed516cc62706",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "f75066c79d1eec453c0d386ef8636873d1e11f2c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dc5698e80cf724770283e10414054662bdf6ccfa",
                            "lessThan": "36570ef2244cc4d7563b1f0157bc0f032498638c",
                            "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/gpu/drm/virtio/virtgpu_gem.c"
                    ],
                    "versions": [
                        {
                            "version": "4.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.2",
                            "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": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }