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9e0e6d8a32
Every single caller wants to know what the next format location is, but instead the function returned the length of the processed part and so every single return statement in the format_decode() function was instead subtracting the start of the format string. The callers that that did want to know the length (in addition to the end of the format processing) already had to save off the start of the format string anyway. So this was all just doing extra processing both on the caller and callee sides. Just change the calling convention to return the end of the format processing, making everything simpler (and preparing for yet more simplification to come). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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 reStructuredText 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.