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commitd853b34069upstream. Clang warns: drivers/spi/spi-bcm2835aux.c:532:50: warning: variable 'err' is uninitialized when used here [-Wuninitialized] dev_err(&pdev->dev, "could not get clk: %d\n", err); ^~~ ./include/linux/dev_printk.h:112:32: note: expanded from macro 'dev_err' _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~ drivers/spi/spi-bcm2835aux.c:495:9: note: initialize the variable 'err' to silence this warning int err; ^ = 0 1 warning generated. Restore the assignment so that the error value can be used in the dev_err statement and there is no uninitialized memory being leaked. Fixes:e13ee6cc47("spi: bcm2835aux: Fix use-after-free on unbind") Link: https://github.com/ClangBuiltLinux/linux/issues/1199 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Link: https://lore.kernel.org/r/20201113180701.455541-1-natechancellor@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.