From: Jiri Pirko <jiri@resnulli.us>
Date: Tue, 2 Dec 2014 17:00:32 +0000 (+0100)
Subject: net_sched: cls_bpf: remove unnecessary iteration and use passed arg
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=472f58370128d5e18f9d5429313a87d0f30af45e;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

net_sched: cls_bpf: remove unnecessary iteration and use passed arg

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index eed49d1d0878..cbfaf6f8feb3 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -109,19 +109,12 @@ static void __cls_bpf_delete_prog(struct rcu_head *rcu)
 
 static int cls_bpf_delete(struct tcf_proto *tp, unsigned long arg)
 {
-	struct cls_bpf_head *head = rtnl_dereference(tp->root);
-	struct cls_bpf_prog *prog, *todel = (struct cls_bpf_prog *) arg;
-
-	list_for_each_entry(prog, &head->plist, link) {
-		if (prog == todel) {
-			list_del_rcu(&prog->link);
-			tcf_unbind_filter(tp, &prog->res);
-			call_rcu(&prog->rcu, __cls_bpf_delete_prog);
-			return 0;
-		}
-	}
+	struct cls_bpf_prog *prog = (struct cls_bpf_prog *) arg;
 
-	return -ENOENT;
+	list_del_rcu(&prog->link);
+	tcf_unbind_filter(tp, &prog->res);
+	call_rcu(&prog->rcu, __cls_bpf_delete_prog);
+	return 0;
 }
 
 static void cls_bpf_destroy(struct tcf_proto *tp)