diff options
| -rw-r--r-- | security/apparmor/include/match.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/security/apparmor/include/match.h b/security/apparmor/include/match.h index a1c04fe86790..d751c8bf72cd 100644 --- a/security/apparmor/include/match.h +++ b/security/apparmor/include/match.h @@ -128,6 +128,21 @@ unsigned int aa_dfa_next(struct aa_dfa *dfa, unsigned int state, void aa_dfa_free_kref(struct kref *kref); /** + * aa_get_dfa - increment refcount on dfa @p + * @dfa: dfa (MAYBE NULL) + * + * Returns: pointer to @dfa if @dfa is NULL will return NULL + * Requires: @dfa must be held with valid refcount when called + */ +static inline struct aa_dfa *aa_get_dfa(struct aa_dfa *dfa) +{ + if (dfa) + kref_get(&(dfa->count)); + + return dfa; +} + +/** * aa_put_dfa - put a dfa refcount * @dfa: dfa to put refcount (MAYBE NULL) * |