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6a389c8cee
Each userspace pm netlink function uses nla_get_u32() to get the msk token value, then pass it to mptcp_token_get_sock() to get the msk. Finally check whether userspace PM is selected on this msk. It makes sense to wrap them into a helper, named mptcp_userspace_pm_get_sock(), to do this. This patch doesn't change the behaviour of the code, just refactoring. Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20241213-net-next-mptcp-pm-misc-cleanup-v1-3-ddb6d00109a8@kernel.org 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.