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84683a2cf5
commitd328fe8706upstream. BusyBox's 'cmp' command doesn't support the '--bytes' parameter. Some CIs -- i.e. LKFT -- use BusyBox and have the mptcp_join.sh test failing [1] because their 'cmp' command doesn't support this '--bytes' option: cmp: unrecognized option '--bytes=1024' BusyBox v1.35.0 () multi-call binary. Usage: cmp [-ls] [-n NUM] FILE1 [FILE2] Instead, 'head --bytes' can be used as this option is supported by BusyBox. A temporary file is needed for this operation. Because it is apparently quite common to use BusyBox, it is certainly better to backport this fix to impacted kernels. Fixes:6bf41020b7("selftests: mptcp: update and extend fastclose test-cases") Cc: stable@vger.kernel.org Link: https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.3-rc5-5-g148341f0a2f5/testrun/16088933/suite/kselftest-net-mptcp/test/net_mptcp_userspace_pm_sh/log [1] Suggested-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.