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cf44bd08cd
Currently, when cleaning up congestion control, we always call the release regardless of whether it has been initialized. There is no need to release when closing TCP_LISTEN and TCP_CLOSE (close immediately after socket()). In this case, tcp_cdg calls kfree(NULL) in release without causing an exception, but for some customized ca, this could lead to unexpected exceptions. We need to ensure that init and release are called in pairs. Signed-off-by: Pengcheng Yang <yangpc@wangsu.com> Link: https://patch.msgid.link/1729845944-6003-1-git-send-email-yangpc@wangsu.com Signed-off-by: Jakub Kicinski <kuba@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 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.