diff options
| -rw-r--r-- | sys/security/audit/audit_pipe.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/security/audit/audit_pipe.c b/sys/security/audit/audit_pipe.c index ef4fc83..afc7d54 100644 --- a/sys/security/audit/audit_pipe.c +++ b/sys/security/audit/audit_pipe.c @@ -436,6 +436,10 @@ audit_pipe_preselect(au_id_t auid, au_event_t event, au_class_t class, { struct audit_pipe *ap; + /* Lockless read to avoid acquiring the global lock if not needed. */ + if (TAILQ_EMPTY(&audit_pipe_list)) + return (0); + AUDIT_PIPE_LIST_RLOCK(); TAILQ_FOREACH(ap, &audit_pipe_list, ap_list) { AUDIT_PIPE_LOCK(ap); |
