X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fsched%2Fsch_api.c;h=f06aa01d60fd344bc853c9363dcff1dcec27fab3;hb=21dc2e6c6d552702736ad3603fe9b074654d3932;hp=73a123daa2cc5c4c43c69120d1fecd273df76c17;hpb=08d183e3c1f650b4db1d07d764502116861542fa;p=firefly-linux-kernel-4.4.55.git

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 73a123daa2cc..f06aa01d60fd 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1818,13 +1818,8 @@ int tc_classify_compat(struct sk_buff *skb, const struct tcf_proto *tp,
 			continue;
 		err = tp->classify(skb, tp, res);
 
-		if (err >= 0) {
-#ifdef CONFIG_NET_CLS_ACT
-			if (err != TC_ACT_RECLASSIFY && skb->tc_verd)
-				skb->tc_verd = SET_TC_VERD(skb->tc_verd, 0);
-#endif
+		if (err >= 0)
 			return err;
-		}
 	}
 	return -1;
 }
@@ -1836,23 +1831,22 @@ int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 	int err = 0;
 #ifdef CONFIG_NET_CLS_ACT
 	const struct tcf_proto *otp = tp;
+	int limit = 0;
 reclassify:
 #endif
 
 	err = tc_classify_compat(skb, tp, res);
 #ifdef CONFIG_NET_CLS_ACT
 	if (err == TC_ACT_RECLASSIFY) {
-		u32 verd = G_TC_VERD(skb->tc_verd);
 		tp = otp;
 
-		if (verd++ >= MAX_REC_LOOP) {
+		if (unlikely(limit++ >= MAX_REC_LOOP)) {
 			net_notice_ratelimited("%s: packet reclassify loop rule prio %u protocol %02x\n",
 					       tp->q->ops->id,
 					       tp->prio & 0xffff,
 					       ntohs(tp->protocol));
 			return TC_ACT_SHOT;
 		}
-		skb->tc_verd = SET_TC_VERD(skb->tc_verd, verd);
 		goto reclassify;
 	}
 #endif