--- src/sys/kern/kern_lockf.c	2006/12/23 00:35:04	1.36
+++ src/sys/kern/kern_lockf.c	2007/11/01 22:48:16	1.37
@@ -207,6 +207,8 @@ lf_advlock(struct vop_advlock_args *ap,
 	default:
 		return(EINVAL);
 	}
+
+	flags = ap->a_flags;
 	if (start < 0)
 		return(EINVAL);
 	if (fl->l_len == 0) {
@@ -218,7 +220,6 @@ lf_advlock(struct vop_advlock_args *ap,
 			return(EINVAL);
 	}
 	
-	flags = ap->a_flags;
 	type = fl->l_type;
 	/*
 	 * This isn't really correct for flock-style locks,