From d7297a36f2f93e35fcfa26563ce97bf4629c92b3 Mon Sep 17 00:00:00 2001
From: "Wei.Wang" <wei.wang@zstack.io>
Date: Wed, 22 Sep 2021 13:29:43 +0800
Subject: [PATCH] Fix skbtracer.c

add KBUILD_MODNAME
fix dropstack
---
 skbtracer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/skbtracer.c b/skbtracer.c
index e62b542..0dbf32f 100644
--- a/skbtracer.c
+++ b/skbtracer.c
@@ -1,3 +1,5 @@
+#define KBUILD_MODNAME "skbtracer"
+
 #include <bcc/proto.h>
 #include <uapi/linux/ip.h>
 #include <uapi/linux/ipv6.h>
@@ -671,7 +673,7 @@ int kprobe____kfree_skb(struct pt_regs *ctx, struct sk_buff *skb)
     event.start_ns = bpf_ktime_get_ns();
     bpf_strncpy(event.func_name, __func__+8, FUNCNAME_MAX_LEN);
     get_stack(ctx, &event);
-    route_event.perf_submit(ctx, event, sizeof(*event));
+    route_event.perf_submit(ctx, &event, sizeof(event));
     return 0;
 }
 #endif