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The bridge sysfs interface stores parameters for the STP, VLAN, multicast etc subsystems using a predefined function prototype. Sometimes the underlying function being called supports a netlink extended ack message, and we ignore it. Let's expand the store_bridge_parm function prototype to include the extack, and just print it to console, but at least propagate it where applicable. Where not applicable, create a shim function in the br_sysfs_br.c file that discards the extra function argument. This patch allows us to propagate the extack argument to br_vlan_set_default_pvid, br_vlan_set_proto and br_vlan_filter_toggle, and from there, further up in br_changelink from br_netlink.c. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.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.
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.