PCI: Fix pci_slot_trylock() error handling

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CVE-2026-43211 · Microsoft / collected KEV context

cve-program · CVE-2026-43211

• https://git.kernel.org/stable/c/ebb27b7399ab8b9eb1f792b329aa5f6250c590d4
• https://git.kernel.org/stable/c/fbe06a3058114bf95a17a4941b205f4b321c6f0a
• https://git.kernel.org/stable/c/943ed56606a7ab2fe5a99cad572dd17d484310c7
• https://git.kernel.org/stable/c/a19b61fdb958ffadbba85b43c991eb9fc70c1c1c
• https://git.kernel.org/stable/c/0425aaf20b407d2f2cf3bf469808e4a35f9abb8b
• https://git.kernel.org/stable/c/bd435f4b738130d732ef64e0e57e45185f77165d
• https://git.kernel.org/stable/c/8b08ea9690b212b7bf7f12414039259cf34b1aa0
• https://git.kernel.org/stable/c/9368d1ee62829b08aa31836b3ca003803caf0b72

No related operational record is retained in the current change model.