When CONFIG_NET is disabled, an extra warning shows up for this unused variable: lib/checksum_kunit.c:218:18: error: 'expected_csum_ipv6_magic' defined but not used [-Werror=unused-const-variable=] Replace the #ifdef with an IS_ENABLED() check that makes the compiler's dead-code-elimination take care of the link failure. Fixes: f24a70106dc1 ("lib: checksum: Fix build with CONFIG_NET=n") Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Simon Horman <horms@kernel.org> # build-tested 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 reStructuredText 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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