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[ Upstream commit32a25f2ea6] To avoid the following failure when trying to load the rdma_rxe module while IPv6 is disabled, add a check for EAFNOSUPPORT and ignore the failure, also delete the needless debug print from rxe_setup_udp_tunnel(). $ modprobe rdma_rxe modprobe: ERROR: could not insert 'rdma_rxe': Operation not permitted Fixes:dfdd6158ca("IB/rxe: Fix kernel panic in udp_setup_tunnel") Link: https://lore.kernel.org/r/20210603090112.36341-1-kamalheib1@gmail.com Reported-by: Yi Zhang <yi.zhang@redhat.com> Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.