#include "vmlinux.h" #include <linux/version.h> #include <bpf/bpf_helpers.h> SEC("kprobe/open_ctree") int bpf_prog1(struct pt_regs *ctx) { unsigned long rc = -12; bpf_override_return(ctx, rc); return 0; } char _license[] SEC("license") = "GPL"; u32 _version SEC("version") = LINUX_VERSION_CODE;