On Tue, 17 Sep 2019 11:13:42 +0800 Hillf Danton <[email protected]> wrote:
> --- a/kernel/trace/trace_probe.c > +++ b/kernel/trace/trace_probe.c > @@ -986,6 +986,9 @@ int trace_probe_init(struct trace_probe > if (!tp->event) > return -ENOMEM; > > + /* shun gpf in error cleanup path */ > + INIT_LIST_HEAD(&tp->list); Thanks, but I took Masami's patch. https://lore.kernel.org/lkml/156869709721.22406.5153754822203046939.stgit@devnote2/ -- Steve > + > call = trace_probe_event_call(tp); > call->class = &tp->event->class; > call->name = kstrdup(event, GFP_KERNEL); > @@ -1002,7 +1005,6 @@ int trace_probe_init(struct trace_probe > INIT_LIST_HEAD(&tp->event->files); > INIT_LIST_HEAD(&tp->event->class.fields); > INIT_LIST_HEAD(&tp->event->probes); > - INIT_LIST_HEAD(&tp->list); > list_add(&tp->event->probes, &tp->list); > > return 0; > --
