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[ Upstream commit9108109457] Currently the cfam_read and cfam_write functions return the provided number of bytes given in the count parameter and not the error return code in variable rc, hence all failures of read/writes are being silently ignored. Fix this by returning the error code in rc. Addresses-Coverity: ("Unused value") Fixes:d1dcd67825("fsi: Add cfam char devices") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Jeremy Kerr <jk@ozlabs.org> Link: https://lore.kernel.org/r/20210603122812.83587-1-colin.king@canonical.com Signed-off-by: Joel Stanley <joel@jms.id.au> 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.