Commit 494b3320 authored by Masami Hiramatsu (Google)'s avatar Masami Hiramatsu (Google)
Browse files

tracing/eprobe: Fix to release eprobe when failed to add dyn_event 

Fix eprobe event to unregister event call and release eprobe when it fails
to add dynamic event correctly.

Link: https://lore.kernel.org/all/173289886698.73724.1959899350183686006.stgit@devnote2/



Fixes: 7491e2c4 ("tracing: Add a probe that attaches to trace events")
Signed-off-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
parent 40384c84

kernel/trace/trace_eprobe.c

+5 −0
Original line number Diff line number Diff line
@@ -963,6 +963,11 @@ static int __trace_eprobe_create(int argc, const char *argv[]) 
		goto error;

	}

	ret = dyn_event_add(&ep->devent, &ep->tp.event->call);

	if (ret < 0) {

		trace_probe_unregister_event_call(&ep->tp);

		mutex_unlock(&event_mutex);

		goto error;

	}

	mutex_unlock(&event_mutex);

	return ret;

parse_error: