[PATCH v3 1/2] tracing: add missing trace_probe_log_clear for eprobes

Paul Cacheux via B4 Relay posted 2 patches 9 months, 1 week ago
[PATCH v3 1/2] tracing: add missing trace_probe_log_clear for eprobes
Posted by Paul Cacheux via B4 Relay 9 months, 1 week ago
From: Paul Cacheux <paulcacheux@gmail.com>

Make sure trace_probe_log_clear is called in the tracing
eprobe code path, matching the trace_probe_log_init call.

Signed-off-by: Paul Cacheux <paulcacheux@gmail.com>
---
 kernel/trace/trace_eprobe.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
index c08355c3ef32b4124ac944d7e3a03efb66492269..916555f0de811f03feed9d923c63078b0e4c993b 100644
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -969,10 +969,13 @@ static int __trace_eprobe_create(int argc, const char *argv[])
 			goto error;
 		}
 	}
+	trace_probe_log_clear();
 	return ret;
+
 parse_error:
 	ret = -EINVAL;
 error:
+	trace_probe_log_clear();
 	trace_event_probe_cleanup(ep);
 	return ret;
 }

-- 
2.49.0
Re: [PATCH v3 1/2] tracing: add missing trace_probe_log_clear for eprobes
Posted by Steven Rostedt 9 months, 1 week ago
On Sun, 04 May 2025 20:27:52 +0200
Paul Cacheux via B4 Relay <devnull+paulcacheux.gmail.com@kernel.org> wrote:

> From: Paul Cacheux <paulcacheux@gmail.com>
> 
> Make sure trace_probe_log_clear is called in the tracing
> eprobe code path, matching the trace_probe_log_init call.
> 
> Signed-off-by: Paul Cacheux <paulcacheux@gmail.com>
> ---
>  kernel/trace/trace_eprobe.c | 3 +++
>  1 file changed, 3 insertions(+)

Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>

-- Steve