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4d41a49c46
Mirsad Todorovac reported a compiler warning in "ni_stc.h" due to the variable `range_ni_E_ao_ext` being defined but unused when building the "ni_routes_test" module. The `range_ni_E_ao_ext` variable is tentatively defined in "ni_stc.h" (with internal linkage) and fully defined in "ni_mio_common.c". "ni_stc.h" and/or "ni_mio_common.c" are included by the "ni_atmio", "ni_pcimio", "ni_mio_cs", and "ni_routes_test" modules, which will each get their own local `range_ni_E_ao_ext` variable defined. However, it is not used by the "ni_mio_cs" or "ni_routes_test" modules. They should get optimized out, but there are compiler warnings about the unused variable when built with the `W=1` option. Move the full definition of the variable from "ni_mio_common.c" into the places where it is used, namely "ni_atmio.c" and "ni_pcimio.c", and remove the tentative definition of the variable from "ni_stc.h". This fixes the compiler warnings. Reported-by: Mirsad Todorovac <mtodorovac69@gmail.com> Link: https://lore.kernel.org/lkml/3bab8580-c01a-4183-94af-ba3193c94c0e@gmail.com/ Cc: Mirsad Todorovac <mtodorovac69@gmail.com> Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20240710173719.3559437-1-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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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 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.