Clang build fails with spi-sunplus-sp7021.c:405:2: error: variable 'ret' is used uninitialized whenever switch default is taken default: simplify code Restore initializing ret. and add return error at default Fixes: 47e8fe57a66f ("spi: Modify irq request position and modify parameters") Reported-by: Tom Rix <trix@redhat.com> Reported-by: kernel test robot <lkp@intel.com> Reported-by: Nathan Chancellor <nathan@kernel.org> Reported-by: Mark Brown <broonie@kernel.org> Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com> Link: https://lore.kernel.org/r/7d91e6ce29f9a8df2c53a47b4b977664020e237a.1644805060.git.lhjeff911@gmail.com 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.
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