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Pavel Begunkov
5ea5dd4584
io_read() has not the simpliest control flow with a lot of jumps and it's hard to read. One of those is a out_free: label, which frees iovec. However, from the middle of io_read() iovec is NULL'ed and so kfree(iovec) is no-op, it leaves us with two place where we can inline it and further clean up the code. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.