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371ebcbb9e
Before this patch, cloned expressions are released via ->destroy. This is a problem for the new connlimit expression since the ->destroy path drop a reference on the conntrack modules and it unregisters hooks. The new ->destroy_clone provides context that this expression is being released from the packet path, so it is mirroring ->clone(), where neither module reference is dropped nor hooks need to be unregistered - because this done from the control plane path from the ->init() path. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.