samples/bpf: Remove unused variables

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

Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20241009082138.7971-1-zhujun2@cmss.chinamobile.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

diff --git a/samples/bpf/tc_l2_redirect_kern.c b/samples/bpf/tc_l2_redirect_kern.c
index fd2fa00043305a7de0d3a3d51061c5a0d6833046..0b48f7ddf521946f2e605a2d8f61606b67a78737 100644 (file)
--- 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;