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faa1cd8298
While handling netdevice events, br_device_event() sometimes uses br_stp_(disable|enable)_port which unconditionally send a notification, but then a second notification for the same event is sent at the end of the br_device_event() function. To avoid sending duplicate notifications in such cases, check if one has already been sent (i.e. br_stp_enable/disable_port have been called). The patch is based on a change by Satish Ashok. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.