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commit278e2148c0upstream. This reverts commit5a2de63fd1("bridge: do not add port to router list when receives query with source 0.0.0.0") and commit0fe5119e26("net: bridge: remove ipv6 zero address check in mcast queries") The reason is RFC 4541 is not a standard but suggestive. Currently we will elect 0.0.0.0 as Querier if there is no ip address configured on bridge. If we do not add the port which recives query with source 0.0.0.0 to router list, the IGMP reports will not be about to forward to Querier, IGMP data will also not be able to forward to dest. As Nikolay suggested, revert this change first and add a boolopt api to disable none-zero election in future if needed. Reported-by: Linus Lüssing <linus.luessing@c0d3.blue> Reported-by: Sebastian Gottschall <s.gottschall@newmedia-net.de> Fixes:5a2de63fd1("bridge: do not add port to router list when receives query with source 0.0.0.0") Fixes:0fe5119e26("net: bridge: remove ipv6 zero address check in mcast queries") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.