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[ Upstream commitc0921e51da] When a request to remove buffers is submitted, and the given number to be removed is larger than available in the specified buffer group, the resulting CQE result will be the number of removed buffers + 1, which is 1 more than it should be. Previously, the head was part of the list and it got removed after the loop, so the increment was needed. Now, the head is not an element of the list, so the increment shouldn't be there anymore. Fixes:dbc7d452e7("io_uring: manage provided buffers strictly ordered") Signed-off-by: Wojciech Lukowicz <wlukowicz01@gmail.com> Link: https://lore.kernel.org/r/20230401195039.404909-2-wlukowicz01@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> 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.