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e699600232
In the character device, the listener to address space should distinguish whether the request is to IEC 61883-1 FCP region or not. The user space application needs to access to the object of request in enough later by read(2), while the core function releases the object of request in the FCP case after completing the callback to handler. The handler guarantees the access safe by some way. It's done by duplication of the object after NULL check to the request, since core function passes NULL in the FCP case. It's inconvenient since the object of request includes some helpful information. It's better to add another way to check whether the request is to FCP region or not. Conveniently the file of transaction layer includes local implementation for the purpose. This commit moves it to module local file and use it instead of the NULL check, then the result of check is stored to per-client data for the inbound transaction so that the result can be referred by later to release the data. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20230120090344.296451-3-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.