Purging a queue requires it to be non-empty, not empty.

ok millert

diff --git a/sys/net/hfsc.c b/sys/net/hfsc.c
index 7709310..dcb0a09 100644 (file)
--- a/sys/net/hfsc.c
+++ b/sys/net/hfsc.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: hfsc.c,v 1.6 2014/01/03 12:48:58 pelikan Exp $        */
+/*     $OpenBSD: hfsc.c,v 1.7 2014/01/03 19:58:54 pelikan Exp $        */
 
 /*
  * Copyright (c) 2012-2013 Henning Brauer <henning@openbsd.org>
@@ -677,7 +677,7 @@ hfsc_purgeq(struct hfsc_class *cl)
 {
        struct mbuf *m;
 
-       if (cl->cl_q->qlen > 0)
+       if (cl->cl_q->qlen == 0)
                return;
 
        while ((m = hfsc_getq(cl)) != NULL) {