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