CVE-2024-56548 hfsplus: don't query the device logical block size multiple times

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Multiple CVEs Affecting hfsplus File System Released Three vulnerabilities affecting the hfsplus file system have been published, including CVE-2024-56548, CVE-2025-68767, and CVE-2025-68774. The vulnerabilities address issues such as inode mode verification and missing function calls, which could impact system stability and data integrity. Affected systems include those utilizing the hfsplus file system. 7 sources 47