linux-kernel - [PATCH] samples/bpf: Remove unused variables

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Message-Id: <20241009082138.7971-1-zhujun2@cmss.chinamobile.com>
Date: Wed,  9 Oct 2024 01:21:38 -0700
From: Zhu Jun <zhujun2@...s.chinamobile.com>
To: martin.lau@...ux.dev
Cc: eddyz87@...il.com,
	song@...nel.org,
	yonghong.song@...ux.dev,
	john.fastabend@...il.com,
	kpsingh@...nel.org,
	sdf@...ichev.me,
	haoluo@...gle.com,
	jolsa@...nel.org,
	bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	andrii@...nel.org,
	daniel@...earbox.net,
	ast@...nel.org,
	Zhu Jun <zhujun2@...s.chinamobile.com>
Subject: [PATCH] samples/bpf: Remove unused variables

These variables are never referenced in the code, just remove them.

Signed-off-by: Zhu Jun <zhujun2@...s.chinamobile.com>
---
 samples/bpf/tc_l2_redirect_kern.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/samples/bpf/tc_l2_redirect_kern.c b/samples/bpf/tc_l2_redirect_kern.c
index fd2fa0004330..0b48f7ddf521 100644
--- a/samples/bpf/tc_l2_redirect_kern.c
+++ b/samples/bpf/tc_l2_redirect_kern.c
@@ -58,7 +58,6 @@ static __always_inline bool is_vip_addr(__be16 eth_proto, __be32 daddr)
 SEC("l2_to_iptun_ingress_forward")
 int _l2_to_iptun_ingress_forward(struct __sk_buff *skb)
 {
-	struct bpf_tunnel_key tkey = {};
 	void *data = (void *)(long)skb->data;
 	struct eth_hdr *eth = data;
 	void *data_end = (void *)(long)skb->data_end;
@@ -205,7 +204,6 @@ int _l2_to_ip6tun_ingress_redirect(struct __sk_buff *skb)
 SEC("drop_non_tun_vip")
 int _drop_non_tun_vip(struct __sk_buff *skb)
 {
-	struct bpf_tunnel_key tkey = {};
 	void *data = (void *)(long)skb->data;
 	struct eth_hdr *eth = data;
 	void *data_end = (void *)(long)skb->data_end;
-- 
2.17.1