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b2e8434f18
In station/client mode, the link data needs a bit more initialization and destruction than just zero-init and kfree() respectively, implement that. This required some shuffling of the link data handling in general, as we should set it up in setup and do the teardown in teardown, otherwise we're asymmetric in case of interface type changes. Also stop using kfree_rcu(), we cannot guarantee that nothing is scheduling things that live within the link (e.g. the u.mgd.request_smps_work) until we're sure it cannot be referenced anymore, therefore synchronize instead. This isn't very efficient, but we can always optimize it later. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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.