From: Jeffrey Hsu <hsu@dragonflybsd.org>
Date: Tue, 3 Aug 2004 01:59:58 +0000 (+0000)
Subject: Fix bug with tracking the previous element in a list.
X-Git-Tag: v2.0.1~10574
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/4dbda9866d13470b047ff40e4c274d453c144a30

Fix bug with tracking the previous element in a list.

Found by:	edrt@citiz.net
Submitted by:	pavlin@icir.org
---

diff --git a/sys/net/ip_mroute/ip_mroute.c b/sys/net/ip_mroute/ip_mroute.c
index 7bd63a41cb..7f156b2530 100644
--- a/sys/net/ip_mroute/ip_mroute.c
+++ b/sys/net/ip_mroute/ip_mroute.c
@@ -18,7 +18,7 @@
  * bandwidth metering and signaling
  *
  * $FreeBSD: src/sys/netinet/ip_mroute.c,v 1.56.2.10 2003/08/24 21:37:34 hsu Exp $
- * $DragonFly: src/sys/net/ip_mroute/ip_mroute.c,v 1.13 2004/06/04 07:45:46 hmp Exp $
+ * $DragonFly: src/sys/net/ip_mroute/ip_mroute.c,v 1.14 2004/08/03 01:59:58 hsu Exp $
  */
 
 #include "opt_mrouting.h"
@@ -2340,7 +2340,7 @@ del_bw_upcall(struct bw_upcall *req)
 
 	/* Find the bw_meter entry to delete */
 	for (prev = NULL, x = mfc->mfc_bw_meter; x != NULL;
-	     x = x->bm_mfc_next) {
+	     prev = x, x = x->bm_mfc_next) {
 	    if ((BW_TIMEVALCMP(&x->bm_threshold.b_time,
 			       &req->bu_threshold.b_time, ==)) &&
 		(x->bm_threshold.b_packets == req->bu_threshold.b_packets) &&