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Davide Caratti
3f4a08909e
mptcp: allow changing the 'backup' bit when no sockets are open
current Linux refuses to change the 'backup' bit of MPTCP endpoints, i.e. using MPTCP_PM_CMD_SET_FLAGS, unless it finds (at least) one subflow that matches the endpoint address. There is no reason for that, so we can just ignore the return value of mptcp_nl_addr_backup(). In this way, endpoints can reconfigure their 'backup' flag even if no MPTCP sockets are open (or more generally, in case the MP_PRIO message is not sent out). Fixes: 0f9f696a502e ("mptcp: add set_flags command in PM netlink") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.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.
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