diff options
| -rw-r--r-- | kernel/bpf/trampoline.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c index 5949095e51c3..3610c6db15ee 100644 --- a/kernel/bpf/trampoline.c +++ b/kernel/bpf/trampoline.c @@ -220,7 +220,9 @@ static int register_fentry(struct bpf_trampoline *tr, void *new_addr) } if (tr->func.ftrace_managed) { - ftrace_set_filter_ip(tr->fops, (unsigned long)ip, 0, 1); + ret = ftrace_set_filter_ip(tr->fops, (unsigned long)ip, 0, 1); + if (ret) + return ret; ret = register_ftrace_direct(tr->fops, (long)new_addr); } else { ret = bpf_arch_text_poke(ip, BPF_MOD_CALL, NULL, new_addr); |