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taprio_dev_notifier() subscribes to netdev state changes in order to determine whether interfaces which have a taprio root qdisc have changed their link speed, so the internal calculations can be adapted properly. The 'qdev' temporary variable serves no purpose, because we just use it only once, and can just as well use qdisc_dev(q->root) directly (or the "dev" that comes from the netdev notifier; this is because qdev is only interesting if it was the subject of the state change, _and_ its root qdisc belongs in the taprio list). The 'found' variable also doesn't really serve too much of a purpose either; we can just call taprio_set_picos_per_byte() within the loop, and exit immediately afterwards. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Link: https://lore.kernel.org/r/20220923145921.3038904-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.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.