[PKT_SCHED]: cls_fw: Break is not enough to stop walking

break is not enough to escape from the walking loops, since
multiple encapsulated loops are used to traverse the hash tables.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/cls_fw.c

@@ -338,7 +338,7 @@ static void fw_walk(struct tcf_proto *tp, struct tcf_walker *arg)
 			}
 			if (arg->fn(tp, (unsigned long)f, arg) < 0) {
 				arg->stop = 1;
-				break;
+				return;
 			}
 			arg->count++;
 		}

net/sched/cls_route.c

@@ -538,7 +538,7 @@ static void route4_walk(struct tcf_proto *tp, struct tcf_walker *arg)
 					}
 					if (arg->fn(tp, (unsigned long)f, arg) < 0) {
 						arg->stop = 1;
-						break;
+						return;
 					}
 					arg->count++;
 				}

net/sched/cls_rsvp.h

@@ -601,7 +601,7 @@ static void rsvp_walk(struct tcf_proto *tp, struct tcf_walker *arg)
 					}
 					if (arg->fn(tp, (unsigned long)f, arg) < 0) {
 						arg->stop = 1;
-						break;
+						return;
 					}
 					arg->count++;
 				}