The variable is never referenced in the code, just remove it that this problem was discovered by reading code Signed-off-by: Zhu Jun <zhujun2@xxxxxxxxxxxxxxxxxxxx> --- samples/bpf/xdp2skb_meta_kern.c | 1 - 1 file changed, 1 deletion(-) diff --git a/samples/bpf/xdp2skb_meta_kern.c b/samples/bpf/xdp2skb_meta_kern.c index af29a1bde..3c36c25d9 100644 --- a/samples/bpf/xdp2skb_meta_kern.c +++ b/samples/bpf/xdp2skb_meta_kern.c @@ -63,7 +63,6 @@ SEC("tc_mark") int _tc_mark(struct __sk_buff *ctx) { void *data = (void *)(unsigned long)ctx->data; - void *data_end = (void *)(unsigned long)ctx->data_end; void *data_meta = (void *)(unsigned long)ctx->data_meta; struct meta_info *meta = data_meta; -- 2.17.1