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fec9c271b8
This improves the original commit 17c357efe5ec ("openvswitch: load
NAT helper") where it unconditionally tries to load the module for
every flow using NAT, so not efficient when loading multiple flows.
It also doesn't hold any references to the NAT module while the
flow is active.
This change fixes those problems. It will try to load the module
only if it's not present. It grabs a reference to the NAT module
and holds it while the flow is active. Finally, an error message
shows up if either actions above fails.
Fixes: 17c357efe5ec ("openvswitch: load NAT helper")
Signed-off-by: Flavio Leitner <fbl@redhat.com>
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.
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.