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169f9acae0
If dws is NULL in dw_spi_host_add(), we return the error to the upper callers instead of crashing. The patch replaces BUG_ON by returning -EINVAL to the caller. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Link: https://lore.kernel.org/r/20191205231421.9333-1-pakki001@umn.edu Signed-off-by: Mark Brown <broonie@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.