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Having the same VLAN on multiple bridges is currently unsupported as an offload. mv88e6xxx_port_check_hw_vlan() is used to ensure that a VLAN is not on multiple bridges when adding a VLAN range to a port. It loops the ports and checks to see if there are ports in a different bridge with the same VLAN. While walking all switch ports, the code was checking if the new port has a netdev slave attached to it. If not, skip checking the port being walked. This seems like a typ0. If the new port does not have a slave, how has a VLAN been added to it in the first place, requiring this check be performed at all? More likely, we should be checking if the port being walked has a slave. Without the port having a slave, it cannot have a VLAN on it, so there is no need to check further for that particular port. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.