netdev - [PATCH net-next] net: sched: act_bpf: simplify code logic in tcf_bpf

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Message-ID: <20220926102158.78658-1-shaozhengchao@huawei.com>
Date:   Mon, 26 Sep 2022 18:21:58 +0800
From:   Zhengchao Shao <shaozhengchao@...wei.com>
To:     <netdev@...r.kernel.org>, <bpf@...r.kernel.org>,
        <jhs@...atatu.com>, <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <martin.lau@...ux.dev>, <daniel@...earbox.net>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <shaozhengchao@...wei.com>
Subject: [PATCH net-next] net: sched: act_bpf: simplify code logic in tcf_bpf_init()

Both is_bpf and is_ebpf are boolean types, so
(!is_bpf && !is_ebpf) || (is_bpf && is_ebpf) can be reduced to
is_bpf == is_ebpf in tcf_bpf_init().

Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
---
 net/sched/act_bpf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index c5dbb68e6b78..b79eee44e24e 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -333,7 +333,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
 	is_bpf = tb[TCA_ACT_BPF_OPS_LEN] && tb[TCA_ACT_BPF_OPS];
 	is_ebpf = tb[TCA_ACT_BPF_FD];
 
-	if ((!is_bpf && !is_ebpf) || (is_bpf && is_ebpf)) {
+	if (is_bpf == is_ebpf) {
 		ret = -EINVAL;
 		goto put_chain;
 	}
-- 
2.17.1