Index: sys/security/audit/audit_syscalls.c
===================================================================
--- sys/security/audit/audit_syscalls.c
+++ sys/security/audit/audit_syscalls.c
@@ -303,8 +303,7 @@
 			    (udata.au_qctrl64.aq64_lowater >=
 			    udata.au_qctrl.aq_hiwater) ||
 			    (udata.au_qctrl64.aq64_bufsz > AQ_MAXBUFSZ) ||
-			    (udata.au_qctrl64.aq64_minfree > 100) ||
-			    (udata.au_qctrl64.aq64_minfree < 0))
+			    (udata.au_qctrl64.aq64_minfree > 100))
 				return (EINVAL);
 			audit_qctrl.aq_hiwater =
 			    (int)udata.au_qctrl64.aq64_hiwater;