Function definitions in headers are usually marked as 'static inline'. Since 'inline' is missing for crypto_reportstat(), if it were not referenced from a .c file that includes this header, it would produce a warning. Also, 'struct crypto_user_alg' is not declared in this header. I included <linux/crytouser.h> instead of adding the forward declaration as suggested [1]. Detected by compile-testing this header as a standalone unit: ./include/crypto/internal/cryptouser.h:6:44: warning: ‘struct crypto_user_alg’ declared inside parameter list will not be visible outside of this definition or declaration struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact); ^~~~~~~~~~~~~~~ ./include/crypto/internal/cryptouser.h:11:12: warning: ‘crypto_reportstat’ defined but not used [-Wunused-function] static int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, struct nlattr **attrs) ^~~~~~~~~~~~~~~~~ [1] https://lkml.org/lkml/2019/6/13/1121 Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.
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