apparmor: add a default null dfa

[thirdparty/linux.git] / security / apparmor / include / match.h

diff --git a/security/apparmor/include/match.h b/security/apparmor/include/match.h
index d751c8bf72cdc17e43338125fc221c39adcf95b5..a85bb3b1836c5208619138fc9303681a23a01f7d 100644 (file)
--- a/security/apparmor/include/match.h
+++ b/security/apparmor/include/match.h
@@ -100,6 +100,8 @@ struct aa_dfa {
        struct table_header *tables[YYTD_ID_TSIZE];
 };
 
+extern struct aa_dfa *nulldfa;
+
 #define byte_to_byte(X) (X)
 
 #define UNPACK_ARRAY(TABLE, BLOB, LEN, TYPE, NTOHX) \
@@ -117,6 +119,9 @@ static inline size_t table_size(size_t len, size_t el_size)
        return ALIGN(sizeof(struct table_header) + len * el_size, 8);
 }
 
+int aa_setup_dfa_engine(void);
+void aa_teardown_dfa_engine(void);
+
 struct aa_dfa *aa_dfa_unpack(void *blob, size_t size, int flags);
 unsigned int aa_dfa_match_len(struct aa_dfa *dfa, unsigned int start,
                              const char *str, int len);