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514cc55b01
nf_remove_net_hook() 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: | In file included from ./include/linux/export.h:43, | from ./include/linux/linkage.h:7, | from ./include/linux/kernel.h:8, | from net/netfilter/core.c:9: | net/netfilter/core.c: In function ‘nf_remove_net_hook’: | ./include/linux/compiler.h:216:30: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] | *(volatile typeof(x) *)&(x) = (val); \ | ^ | net/netfilter/core.c:379:3: note: in expansion of macro ‘WRITE_ONCE’ | WRITE_ONCE(orig_ops[i], &dummy_ops); | ^~~~~~~~~~ Follow the pattern used elsewhere in this file and add a cast to 'void *' to squash the warning. Cc: Pablo Neira Ayuso <pablo@netfilter.org> Cc: Jozsef Kadlecsik <kadlec@netfilter.org> Cc: Florian Westphal <fw@strlen.de> Cc: "David S. Miller" <davem@davemloft.net> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Will Deacon <will@kernel.org> |
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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.