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dsa_slave_prechangeupper_sanity_check() is supposed to enforce some adjacency restrictions, and calls ds->ops->port_prechangeupper if the driver implements it. We convert the error code from the port_prechangeupper() call to a notifier code, and 0 is converted to NOTIFY_OK, but the caller of dsa_slave_prechangeupper_sanity_check() stops at any notifier code different from NOTIFY_DONE. Avoid this by converting back the notifier code to an error code, so that both NOTIFY_OK and NOTIFY_DONE will be seen as 0. This allows more parallel sanity check functions to be added. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.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.