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[ Upstream commitef6dfc4b23] Functions used with __setup() return 1 when the argument has been successfully parsed. Reverse the returned value so that 1 is returned when kstrtobool() is successful (i.e. returns 0). My understanding of these __setup() functions is that returning 1 or 0 does not change much anyway - so this is more of a cleanup than a functional fix. I spot it and found it spurious while looking at something else. Even if the output is not perfect, you'll get the idea with: $ git grep -B2 -A10 retu.*kstrtobool | grep __setup -B10 Fixes:3aac3ebea0("x86/signal: Implement sigaltstack size validation") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/73882d43ebe420c9d8fb82d0560021722b243000.1673717552.git.christophe.jaillet@wanadoo.fr 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.