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7b4856493d
For the sake of simplicity, treat them like consecutive NETDEV_REGISTER and NETDEV_UNREGISTER events. If the new name matches a hook spec and registration fails, escalate the error and keep things as they are. To avoid unregistering the newly registered hook again during the following fake NETDEV_UNREGISTER event, leave hooks alone if their interface spec matches the new name. Note how this patch also skips for NETDEV_REGISTER if the device is already registered. This is not yet possible as the new name would have to match the old one. This will change with wildcard interface specs, though. Signed-off-by: Phil Sutter <phil@nwl.cc> 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 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.