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Probes fixes for v6.13-rc1:

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- eprobes: Fix to release eprobe when failed to add dyn_event.
   This unregisters event call and release eprobe when it fails to add
   a dynamic event. Found in cleaning up.
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Merge tag 'probes-fixes-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull eprobes fix from Masami Hiramatsu:

 - release eprobe when failing to add dyn_event.

   This unregisters event call and release eprobe when it fails to add a
   dynamic event. Found in cleaning up.

* tag 'probes-fixes-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/eprobe: Fix to release eprobe when failed to add dyn_event
This commit is contained in:
Linus Torvalds 2024-12-10 18:15:25 -08:00
commit 1594c49394
1 changed files with 5 additions and 0 deletions
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5
kernel/trace/trace_eprobe.c
View file

@ -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: