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5735f51584
sdei_is_err() is only called by sdei_to_linux_errno(). The logic of checking on the error number is common to them. They can be combined finely. This removes sdei_is_err() and its logic is combined to the function sdei_to_linux_errno(). Also, the assignment of @err to zero is also dropped in invoke_sdei_fn() because it's always overridden afterwards. This shouldn't cause functional changes. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: James Morse <james.morse@arm.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20200922130423.10173-2-gshan@redhat.com Signed-off-by: Will Deacon <will@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.