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tls_build_proto() uses WRITE_ONCE() to assign a 'const' pointer to a 'non-const' pointer. Cleanups to the implementation of WRITE_ONCE() mean that this will give rise to a compiler warning, just like a plain old assignment would do: | net/tls/tls_main.c: In function ‘tls_build_proto’: | ./include/linux/compiler.h:229:30: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] | net/tls/tls_main.c:640:4: note: in expansion of macro ‘smp_store_release’ | 640 | smp_store_release(&saved_tcpv6_prot, prot); | | ^~~~~~~~~~~~~~~~~ Drop the const qualifier from the local 'prot' variable, as it isn't needed. Cc: Boris Pismenny <borisp@mellanox.com> Cc: Aviad Yehezkel <aviadye@mellanox.com> Cc: John Fastabend <john.fastabend@gmail.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Will Deacon <will@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.