comedi: Fix initialization of data for instructions that write to subdevice

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CVE-2025-38478 · Microsoft / collected KEV context

cve-program · CVE-2025-38478

• https://git.kernel.org/stable/c/6f38c6380c3b38a05032b8881e41137385a6ce02
• https://git.kernel.org/stable/c/13e4d9038a1e869445a996a3f604a84ef52fe8f4
• https://git.kernel.org/stable/c/020eed5681d0f9bced73970368078a92d6cfaa9c
• https://git.kernel.org/stable/c/d3436638738ace8f101af7bdee2eae1bc38e9b29
• https://git.kernel.org/stable/c/673ee92bd2d31055bca98a1d96b653f5284289c4
• https://git.kernel.org/stable/c/c42116dc70af6664526f7aa82cf937824ab42649
• https://git.kernel.org/stable/c/fe8713fb4e4e82a4f91910d9a41bf0613e69a0b9
• https://git.kernel.org/stable/c/46d8c744136ce2454aa4c35c138cc06817f92b8e

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