wifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb()

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/mediatek/mt76/mt7996/mac.c",
                        "drivers/net/wireless/mediatek/mt76/tx.c"
                    ],
                    "versions": [
                        {
                            "version": "7ef0c7ad735b0c38140259519a3f165bee2b857c",
                            "lessThan": "06e65d6cf80490bc0457d339595d1ed5a89e8899",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ef0c7ad735b0c38140259519a3f165bee2b857c",
                            "lessThan": "fa0e9aa92a7bc97fc42014c5efaaf1278fa92723",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ef0c7ad735b0c38140259519a3f165bee2b857c",
                            "lessThan": "831074096d0450308357271fc0ffd3f600a2487e",
                            "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/wireless/mediatek/mt76/mt7996/mac.c",
                        "drivers/net/wireless/mediatek/mt76/tx.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }