kernel: fs: sysfs: Fix reference leak in sysfs_break_active_protection()

In the Linux kernel, the following vulnerability has been resolved: fs: sysfs: Fix reference leak in sysfsbreakactiveprotection The Linux kernel CVE team has assigned CVE-2024-26993 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024050144-CVE-2024-26993-fe52@gregkh/...