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There's a few issues with this function, mainly: * This function -probably- should have been unsafe from the start. Pointers are not always necessarily valid, but you want a function that does field-projection for a pointer that can travel outside of the original struct to be unsafe, at least if I understand properly. * *mut Self is not terribly useful in this context, the majority of uses of from_gem_obj() grab a *mut Self and then immediately convert it into a &'a Self. It also goes against the ffi conventions we've set in the rest of the kernel thus far. * from_gem_obj() also doesn't follow the naming conventions in the rest of the DRM bindings at the moment, as_ref() would be a better name. So, let's: * Make from_gem_obj() unsafe * Convert it to return &'a Self * Rename it to as_ref() * Update all call locations Signed-off-by: Lyude Paul <lyude@redhat.com> Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com> Link: https://lore.kernel.org/r/20250513221046.903358-3-lyude@redhat.com Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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 reStructuredText 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.