OpenCloudOS-Kernel/samples/bpf/tracex7_kern.c

17 lines
339 B
C

#include <uapi/linux/ptrace.h>
#include <uapi/linux/bpf.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;