From 4cc8bdf4722ba74ed65ef2f6aac06182223806e6 Mon Sep 17 00:00:00 2001 From: LinuxDev9002 Date: Tue, 14 Jul 2026 04:26:08 -0700 Subject: [PATCH] fix: print TCP header length as unsigned --- src/41-xdp-tcpdump/xdp-tcpdump.bpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/41-xdp-tcpdump/xdp-tcpdump.bpf.c b/src/41-xdp-tcpdump/xdp-tcpdump.bpf.c index edebbfc..7a72d47 100644 --- a/src/41-xdp-tcpdump/xdp-tcpdump.bpf.c +++ b/src/41-xdp-tcpdump/xdp-tcpdump.bpf.c @@ -107,7 +107,7 @@ int xdp_pass(struct xdp_md *ctx) bpf_ringbuf_submit(event, 0); // Optional: Print a debug message (will appear in kernel logs) - bpf_printk("Captured TCP header (%d bytes)", tcp_header_bytes); + bpf_printk("Captured TCP header (%u bytes)", tcp_header_bytes); return XDP_PASS; }