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[ Upstream commit370d988cc5] In the function softing_startstop() the variable error_reporting is assigned but not used. The code that uses this variable is commented out. Its stated that the functionality is not finally verified. To fix the warning: | drivers/net/can/softing/softing_fw.c:424:9: error: variable 'error_reporting' set but not used [-Werror,-Wunused-but-set-variable] remove the comment, activate the code, but add a "0 &&" to the if expression and rely on the optimizer rather than the preprocessor to remove the code. Link: https://lore.kernel.org/all/20220109103126.1872833-1-mkl@pengutronix.de Fixes:03fd3cf5a1("can: add driver for Softing card") Cc: Kurt Van Dijck <dev.kurt@vandijck-laurijssen.be> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sasha Levin <sashal@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 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.