diff options
| author | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-11-30 01:47:47 +0900 |
|---|---|---|
| committer | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-12-08 23:25:09 +0900 |
| commit | 494b332064c0ce2f7392fa92632bc50191c1b517 (patch) | |
| tree | 4c1122db44cecb943e0bdf65e705b867e4fcd170 | |
| parent | 40384c840ea1944d7c5a392e8975ed088ecf0b37 (diff) | |
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: 7491e2c44278 ("tracing: Add a probe that attaches to trace events")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
| -rw-r--r-- | kernel/trace/trace_eprobe.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c index ebda68ee9abf..be8be0c1aaf0 100644 --- a/kernel/trace/trace_eprobe.c +++ b/kernel/trace/trace_eprobe.c @@ -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: |