The kernel test robot reports undefined reference to public_key_verify_signature when CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE is not defined. Create a static version in this case and return -EINVAL. Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Eric Snowberg <eric.snowberg@xxxxxxxxxx> --- v7: Initial version --- include/crypto/public_key.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h index f603325c0c30..a9b2e600b7cc 100644 --- a/include/crypto/public_key.h +++ b/include/crypto/public_key.h @@ -80,7 +80,16 @@ extern int create_signature(struct kernel_pkey_params *, const void *, void *); extern int verify_signature(const struct key *, const struct public_key_signature *); +#if IS_REACHABLE(CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE) int public_key_verify_signature(const struct public_key *pkey, const struct public_key_signature *sig); +#else +static inline +int public_key_verify_signature(const struct public_key *pkey, + const struct public_key_signature *sig) +{ + return -EINVAL; +} +#endif #endif /* _LINUX_PUBLIC_KEY_H */ -- 2.18.4