1 #include <uapi/linux/ptrace.h>
2 #include <uapi/linux/bpf.h>
3 #include <linux/version.h>
4 #include <bpf/bpf_helpers.h>
5 
6 SEC("kprobe/open_ctree")
bpf_prog1(struct pt_regs * ctx)7 int bpf_prog1(struct pt_regs *ctx)
8 {
9 	unsigned long rc = -12;
10 
11 	bpf_override_return(ctx, rc);
12 	return 0;
13 }
14 
15 char _license[] SEC("license") = "GPL";
16 u32 _version SEC("version") = LINUX_VERSION_CODE;
17