restrict_link_reject 21 include/keys/system_keyring.h #define restrict_link_by_builtin_trusted restrict_link_reject restrict_link_reject 392 include/linux/key.h extern int restrict_link_reject(struct key *keyring, restrict_link_reject 1036 security/keys/keyring.c restrict_link = keyring_restriction_alloc(restrict_link_reject); restrict_link_reject 1779 security/keys/keyring.c keyres->check = restrict_link_reject;